Home / 3,174,169.28-4,761,155.04-778,020.80

Finding the Fourth Proportional to 3,174,169.28, 4,761,155.04 and 778,020.80

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Solution

The fourth proportional to 3,174,169.28, 4,761,155.04 and 778,020.80 is: 1,167,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174,169.28 : 4,761,155.04 = 778,020.80 : x
  2. Step 2: Convert to fraction form
    3,174,169.28/4,761,155.04 = 778,020.80/x
  3. Step 3: Cross multiply
    3,174,169.28x = 4,761,155.04 × 778,020.80
  4. Step 4: Simplify right side
    3,174,169.28x = 3,704,277,653,144.83
  5. Step 5: Solve for x
    x = 3,704,277,653,144.83/3,174,169.28
  6. Step 6: Final answer
    x = 1,167,006.96

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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.