Home / 3,146,343.38-4,339,487.16-2,153,499.65

Finding the Fourth Proportional to 3,146,343.38, 4,339,487.16 and 2,153,499.65

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Solution

The fourth proportional to 3,146,343.38, 4,339,487.16 and 2,153,499.65 is: 2,970,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,343.38 : 4,339,487.16 = 2,153,499.65 : x
  2. Step 2: Convert to fraction form
    3,146,343.38/4,339,487.16 = 2,153,499.65/x
  3. Step 3: Cross multiply
    3,146,343.38x = 4,339,487.16 × 2,153,499.65
  4. Step 4: Simplify right side
    3,146,343.38x = 9,345,084,080,239.49
  5. Step 5: Solve for x
    x = 9,345,084,080,239.49/3,146,343.38
  6. Step 6: Final answer
    x = 2,970,141.19

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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.