Home / 3,487,191.26-5,230,690.17-928,428.15

Finding the Fourth Proportional to 3,487,191.26, 5,230,690.17 and 928,428.15

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Solution

The fourth proportional to 3,487,191.26, 5,230,690.17 and 928,428.15 is: 1,392,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,191.26 : 5,230,690.17 = 928,428.15 : x
  2. Step 2: Convert to fraction form
    3,487,191.26/5,230,690.17 = 928,428.15/x
  3. Step 3: Cross multiply
    3,487,191.26x = 5,230,690.17 × 928,428.15
  4. Step 4: Simplify right side
    3,487,191.26x = 4,856,319,997,756.29
  5. Step 5: Solve for x
    x = 4,856,319,997,756.29/3,487,191.26
  6. Step 6: Final answer
    x = 1,392,616.48

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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.