Home / 3,779,397.85-5,215,344.28-2,147,578.74

Finding the Fourth Proportional to 3,779,397.85, 5,215,344.28 and 2,147,578.74

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Solution

The fourth proportional to 3,779,397.85, 5,215,344.28 and 2,147,578.74 is: 2,963,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,397.85 : 5,215,344.28 = 2,147,578.74 : x
  2. Step 2: Convert to fraction form
    3,779,397.85/5,215,344.28 = 2,147,578.74/x
  3. Step 3: Cross multiply
    3,779,397.85x = 5,215,344.28 × 2,147,578.74
  4. Step 4: Simplify right side
    3,779,397.85x = 11,200,362,497,508.61
  5. Step 5: Solve for x
    x = 11,200,362,497,508.61/3,779,397.85
  6. Step 6: Final answer
    x = 2,963,530.95

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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.