Home / 3,435,397.20-5,155,064.10-1,307,008.80

Finding the Fourth Proportional to 3,435,397.20, 5,155,064.10 and 1,307,008.80

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Solution

The fourth proportional to 3,435,397.20, 5,155,064.10 and 1,307,008.80 is: 1,961,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,397.20 : 5,155,064.10 = 1,307,008.80 : x
  2. Step 2: Convert to fraction form
    3,435,397.20/5,155,064.10 = 1,307,008.80/x
  3. Step 3: Cross multiply
    3,435,397.20x = 5,155,064.10 × 1,307,008.80
  4. Step 4: Simplify right side
    3,435,397.20x = 6,737,714,143,264.08
  5. Step 5: Solve for x
    x = 6,737,714,143,264.08/3,435,397.20
  6. Step 6: Final answer
    x = 1,961,262.05

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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.