Home / 3,278,747.70-4,918,121.55-3,137,030.10

Finding the Fourth Proportional to 3,278,747.70, 4,918,121.55 and 3,137,030.10

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Solution

The fourth proportional to 3,278,747.70, 4,918,121.55 and 3,137,030.10 is: 4,705,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,747.70 : 4,918,121.55 = 3,137,030.10 : x
  2. Step 2: Convert to fraction form
    3,278,747.70/4,918,121.55 = 3,137,030.10/x
  3. Step 3: Cross multiply
    3,278,747.70x = 4,918,121.55 × 3,137,030.10
  4. Step 4: Simplify right side
    3,278,747.70x = 15,428,295,337,808.65
  5. Step 5: Solve for x
    x = 15,428,295,337,808.65/3,278,747.70
  6. Step 6: Final answer
    x = 4,705,545.15

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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.