Home / 3,146,344.38-4,339,488.54-2,153,500.65

Finding the Fourth Proportional to 3,146,344.38, 4,339,488.54 and 2,153,500.65

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Solution

The fourth proportional to 3,146,344.38, 4,339,488.54 and 2,153,500.65 is: 2,970,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,344.38 : 4,339,488.54 = 2,153,500.65 : x
  2. Step 2: Convert to fraction form
    3,146,344.38/4,339,488.54 = 2,153,500.65/x
  3. Step 3: Cross multiply
    3,146,344.38x = 4,339,488.54 × 2,153,500.65
  4. Step 4: Simplify right side
    3,146,344.38x = 9,345,091,391,557.55
  5. Step 5: Solve for x
    x = 9,345,091,391,557.55/3,146,344.38
  6. Step 6: Final answer
    x = 2,970,142.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.