Home / 5,377,934.20-8,065,346.10-1,965,825.40

Finding the Fourth Proportional to 5,377,934.20, 8,065,346.10 and 1,965,825.40

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Solution

The fourth proportional to 5,377,934.20, 8,065,346.10 and 1,965,825.40 is: 2,948,169.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,934.20 : 8,065,346.10 = 1,965,825.40 : x
  2. Step 2: Convert to fraction form
    5,377,934.20/8,065,346.10 = 1,965,825.40/x
  3. Step 3: Cross multiply
    5,377,934.20x = 8,065,346.10 × 1,965,825.40
  4. Step 4: Simplify right side
    5,377,934.20x = 15,855,062,223,170.94
  5. Step 5: Solve for x
    x = 15,855,062,223,170.94/5,377,934.20
  6. Step 6: Final answer
    x = 2,948,169.62

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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.