Home / 2,138,944.60-3,207,956.10-940,864.60

Finding the Fourth Proportional to 2,138,944.60, 3,207,956.10 and 940,864.60

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Solution

The fourth proportional to 2,138,944.60, 3,207,956.10 and 940,864.60 is: 1,411,094.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,944.60 : 3,207,956.10 = 940,864.60 : x
  2. Step 2: Convert to fraction form
    2,138,944.60/3,207,956.10 = 940,864.60/x
  3. Step 3: Cross multiply
    2,138,944.60x = 3,207,956.10 × 940,864.60
  4. Step 4: Simplify right side
    2,138,944.60x = 3,018,252,332,844.06
  5. Step 5: Solve for x
    x = 3,018,252,332,844.06/2,138,944.60
  6. Step 6: Final answer
    x = 1,411,094.21

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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.