Home / 6,307,981.20-8,705,017.53-3,407,372.10

Finding the Fourth Proportional to 6,307,981.20, 8,705,017.53 and 3,407,372.10

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Solution

The fourth proportional to 6,307,981.20, 8,705,017.53 and 3,407,372.10 is: 4,702,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307,981.20 : 8,705,017.53 = 3,407,372.10 : x
  2. Step 2: Convert to fraction form
    6,307,981.20/8,705,017.53 = 3,407,372.10/x
  3. Step 3: Cross multiply
    6,307,981.20x = 8,705,017.53 × 3,407,372.10
  4. Step 4: Simplify right side
    6,307,981.20x = 29,661,233,861,732.91
  5. Step 5: Solve for x
    x = 29,661,233,861,732.91/6,307,981.20
  6. Step 6: Final answer
    x = 4,702,175.37

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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.