Home / 2,592,607.80-3,888,911.70-1,646,657.40

Finding the Fourth Proportional to 2,592,607.80, 3,888,911.70 and 1,646,657.40

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Solution

The fourth proportional to 2,592,607.80, 3,888,911.70 and 1,646,657.40 is: 2,469,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592,607.80 : 3,888,911.70 = 1,646,657.40 : x
  2. Step 2: Convert to fraction form
    2,592,607.80/3,888,911.70 = 1,646,657.40/x
  3. Step 3: Cross multiply
    2,592,607.80x = 3,888,911.70 × 1,646,657.40
  4. Step 4: Simplify right side
    2,592,607.80x = 6,403,705,228,751.58
  5. Step 5: Solve for x
    x = 6,403,705,228,751.58/2,592,607.80
  6. Step 6: Final answer
    x = 2,469,986.10

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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.