Home / 6,646,948.80-9,970,423.20-2,387,774.40

Finding the Fourth Proportional to 6,646,948.80, 9,970,423.20 and 2,387,774.40

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Solution

The fourth proportional to 6,646,948.80, 9,970,423.20 and 2,387,774.40 is: 3,581,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,948.80 : 9,970,423.20 = 2,387,774.40 : x
  2. Step 2: Convert to fraction form
    6,646,948.80/9,970,423.20 = 2,387,774.40/x
  3. Step 3: Cross multiply
    6,646,948.80x = 9,970,423.20 × 2,387,774.40
  4. Step 4: Simplify right side
    6,646,948.80x = 23,807,121,274,126.08
  5. Step 5: Solve for x
    x = 23,807,121,274,126.08/6,646,948.80
  6. Step 6: Final answer
    x = 3,581,661.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.