Home / 3,781,379.70-5,672,069.55-3,117,078.45

Finding the Fourth Proportional to 3,781,379.70, 5,672,069.55 and 3,117,078.45

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Solution

The fourth proportional to 3,781,379.70, 5,672,069.55 and 3,117,078.45 is: 4,675,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,379.70 : 5,672,069.55 = 3,117,078.45 : x
  2. Step 2: Convert to fraction form
    3,781,379.70/5,672,069.55 = 3,117,078.45/x
  3. Step 3: Cross multiply
    3,781,379.70x = 5,672,069.55 × 3,117,078.45
  4. Step 4: Simplify right side
    3,781,379.70x = 17,680,285,761,206.20
  5. Step 5: Solve for x
    x = 17,680,285,761,206.20/3,781,379.70
  6. Step 6: Final answer
    x = 4,675,617.68

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Double scale
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Similar ratio
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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.