Home / 2,678,231.92-4,017,354.36-656,484.88

Finding the Fourth Proportional to 2,678,231.92, 4,017,354.36 and 656,484.88

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Solution

The fourth proportional to 2,678,231.92, 4,017,354.36 and 656,484.88 is: 984,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,231.92 : 4,017,354.36 = 656,484.88 : x
  2. Step 2: Convert to fraction form
    2,678,231.92/4,017,354.36 = 656,484.88/x
  3. Step 3: Cross multiply
    2,678,231.92x = 4,017,354.36 × 656,484.88
  4. Step 4: Simplify right side
    2,678,231.92x = 2,637,332,394,942.08
  5. Step 5: Solve for x
    x = 2,637,332,394,942.08/2,678,231.92
  6. Step 6: Final answer
    x = 984,728.91

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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.