Home / 2,799,695.28-4,200,211.80-906,438.72

Finding the Fourth Proportional to 2,799,695.28, 4,200,211.80 and 906,438.72

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Solution

The fourth proportional to 2,799,695.28, 4,200,211.80 and 906,438.72 is: 1,359,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,695.28 : 4,200,211.80 = 906,438.72 : x
  2. Step 2: Convert to fraction form
    2,799,695.28/4,200,211.80 = 906,438.72/x
  3. Step 3: Cross multiply
    2,799,695.28x = 4,200,211.80 × 906,438.72
  4. Step 4: Simplify right side
    2,799,695.28x = 3,807,234,607,720.90
  5. Step 5: Solve for x
    x = 3,807,234,607,720.90/2,799,695.28
  6. Step 6: Final answer
    x = 1,359,874.64

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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.