Home / 2,829,142.60-3,904,320.18-1,539,920.68

Finding the Fourth Proportional to 2,829,142.60, 3,904,320.18 and 1,539,920.68

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Solution

The fourth proportional to 2,829,142.60, 3,904,320.18 and 1,539,920.68 is: 2,125,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829,142.60 : 3,904,320.18 = 1,539,920.68 : x
  2. Step 2: Convert to fraction form
    2,829,142.60/3,904,320.18 = 1,539,920.68/x
  3. Step 3: Cross multiply
    2,829,142.60x = 3,904,320.18 × 1,539,920.68
  4. Step 4: Simplify right side
    2,829,142.60x = 6,012,343,386,523.32
  5. Step 5: Solve for x
    x = 6,012,343,386,523.32/2,829,142.60
  6. Step 6: Final answer
    x = 2,125,146.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.