Home / 3,238,981.30-4,861,409.55-1,642,654.90

Finding the Fourth Proportional to 3,238,981.30, 4,861,409.55 and 1,642,654.90

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Solution

The fourth proportional to 3,238,981.30, 4,861,409.55 and 1,642,654.90 is: 2,465,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,981.30 : 4,861,409.55 = 1,642,654.90 : x
  2. Step 2: Convert to fraction form
    3,238,981.30/4,861,409.55 = 1,642,654.90/x
  3. Step 3: Cross multiply
    3,238,981.30x = 4,861,409.55 × 1,642,654.90
  4. Step 4: Simplify right side
    3,238,981.30x = 7,985,618,218,214.29
  5. Step 5: Solve for x
    x = 7,985,618,218,214.29/3,238,981.30
  6. Step 6: Final answer
    x = 2,465,472.16

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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.