Home / 2,275,207.35-3,139,781.07-1,308,337.72

Finding the Fourth Proportional to 2,275,207.35, 3,139,781.07 and 1,308,337.72

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Solution

The fourth proportional to 2,275,207.35, 3,139,781.07 and 1,308,337.72 is: 1,805,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,207.35 : 3,139,781.07 = 1,308,337.72 : x
  2. Step 2: Convert to fraction form
    2,275,207.35/3,139,781.07 = 1,308,337.72/x
  3. Step 3: Cross multiply
    2,275,207.35x = 3,139,781.07 × 1,308,337.72
  4. Step 4: Simplify right side
    2,275,207.35x = 4,107,894,022,428.86
  5. Step 5: Solve for x
    x = 4,107,894,022,428.86/2,275,207.35
  6. Step 6: Final answer
    x = 1,805,503.14

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Double scale
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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.