Home / 2,781,387.09-4,172,369.58-759,630.66

Finding the Fourth Proportional to 2,781,387.09, 4,172,369.58 and 759,630.66

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Solution

The fourth proportional to 2,781,387.09, 4,172,369.58 and 759,630.66 is: 1,139,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,387.09 : 4,172,369.58 = 759,630.66 : x
  2. Step 2: Convert to fraction form
    2,781,387.09/4,172,369.58 = 759,630.66/x
  3. Step 3: Cross multiply
    2,781,387.09x = 4,172,369.58 × 759,630.66
  4. Step 4: Simplify right side
    2,781,387.09x = 3,169,459,857,819.32
  5. Step 5: Solve for x
    x = 3,169,459,857,819.32/2,781,387.09
  6. Step 6: Final answer
    x = 1,139,524.90

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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.