Home / 2,138,464.20-3,208,560.30-940,614.60

Finding the Fourth Proportional to 2,138,464.20, 3,208,560.30 and 940,614.60

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Solution

The fourth proportional to 2,138,464.20, 3,208,560.30 and 940,614.60 is: 1,411,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,464.20 : 3,208,560.30 = 940,614.60 : x
  2. Step 2: Convert to fraction form
    2,138,464.20/3,208,560.30 = 940,614.60/x
  3. Step 3: Cross multiply
    2,138,464.20x = 3,208,560.30 × 940,614.60
  4. Step 4: Simplify right side
    2,138,464.20x = 3,018,018,663,160.38
  5. Step 5: Solve for x
    x = 3,018,018,663,160.38/2,138,464.20
  6. Step 6: Final answer
    x = 1,411,301.93

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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.