Home / 3,948,726.61-5,918,742.69-2,581,936.66

Finding the Fourth Proportional to 3,948,726.61, 5,918,742.69 and 2,581,936.66

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Solution

The fourth proportional to 3,948,726.61, 5,918,742.69 and 2,581,936.66 is: 3,870,062.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,726.61 : 5,918,742.69 = 2,581,936.66 : x
  2. Step 2: Convert to fraction form
    3,948,726.61/5,918,742.69 = 2,581,936.66/x
  3. Step 3: Cross multiply
    3,948,726.61x = 5,918,742.69 × 2,581,936.66
  4. Step 4: Simplify right side
    3,948,726.61x = 15,281,818,732,418.02
  5. Step 5: Solve for x
    x = 15,281,818,732,418.02/3,948,726.61
  6. Step 6: Final answer
    x = 3,870,062.49

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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.