Home / 3,120,411.90-4,680,617.85-2,056,655.10

Finding the Fourth Proportional to 3,120,411.90, 4,680,617.85 and 2,056,655.10

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Solution

The fourth proportional to 3,120,411.90, 4,680,617.85 and 2,056,655.10 is: 3,084,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,411.90 : 4,680,617.85 = 2,056,655.10 : x
  2. Step 2: Convert to fraction form
    3,120,411.90/4,680,617.85 = 2,056,655.10/x
  3. Step 3: Cross multiply
    3,120,411.90x = 4,680,617.85 × 2,056,655.10
  4. Step 4: Simplify right side
    3,120,411.90x = 9,626,416,572,353.54
  5. Step 5: Solve for x
    x = 9,626,416,572,353.54/3,120,411.90
  6. Step 6: Final answer
    x = 3,084,982.65

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Similar ratio
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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.