Home / 5,138,142.09-7,091,391.44-2,962,260.24

Finding the Fourth Proportional to 5,138,142.09, 7,091,391.44 and 2,962,260.24

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Solution

The fourth proportional to 5,138,142.09, 7,091,391.44 and 2,962,260.24 is: 4,088,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,142.09 : 7,091,391.44 = 2,962,260.24 : x
  2. Step 2: Convert to fraction form
    5,138,142.09/7,091,391.44 = 2,962,260.24/x
  3. Step 3: Cross multiply
    5,138,142.09x = 7,091,391.44 × 2,962,260.24
  4. Step 4: Simplify right side
    5,138,142.09x = 21,006,546,894,177.04
  5. Step 5: Solve for x
    x = 21,006,546,894,177.04/5,138,142.09
  6. Step 6: Final answer
    x = 4,088,354.61

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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.