Home / 6,127,452.20-9,191,178.30-1,639,728.20

Finding the Fourth Proportional to 6,127,452.20, 9,191,178.30 and 1,639,728.20

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Solution

The fourth proportional to 6,127,452.20, 9,191,178.30 and 1,639,728.20 is: 2,459,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127,452.20 : 9,191,178.30 = 1,639,728.20 : x
  2. Step 2: Convert to fraction form
    6,127,452.20/9,191,178.30 = 1,639,728.20/x
  3. Step 3: Cross multiply
    6,127,452.20x = 9,191,178.30 × 1,639,728.20
  4. Step 4: Simplify right side
    6,127,452.20x = 15,071,034,249,738.06
  5. Step 5: Solve for x
    x = 15,071,034,249,738.06/6,127,452.20
  6. Step 6: Final answer
    x = 2,459,592.30

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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.