Home / 3,126,645.90-4,689,968.85-1,329,077.70

Finding the Fourth Proportional to 3,126,645.90, 4,689,968.85 and 1,329,077.70

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Solution

The fourth proportional to 3,126,645.90, 4,689,968.85 and 1,329,077.70 is: 1,993,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,645.90 : 4,689,968.85 = 1,329,077.70 : x
  2. Step 2: Convert to fraction form
    3,126,645.90/4,689,968.85 = 1,329,077.70/x
  3. Step 3: Cross multiply
    3,126,645.90x = 4,689,968.85 × 1,329,077.70
  4. Step 4: Simplify right side
    3,126,645.90x = 6,233,333,012,229.65
  5. Step 5: Solve for x
    x = 6,233,333,012,229.65/3,126,645.90
  6. Step 6: Final answer
    x = 1,993,616.55

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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.