Home / 2,214,330.76-3,055,785.78-1,247,472.64

Finding the Fourth Proportional to 2,214,330.76, 3,055,785.78 and 1,247,472.64

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Solution

The fourth proportional to 2,214,330.76, 3,055,785.78 and 1,247,472.64 is: 1,721,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,330.76 : 3,055,785.78 = 1,247,472.64 : x
  2. Step 2: Convert to fraction form
    2,214,330.76/3,055,785.78 = 1,247,472.64/x
  3. Step 3: Cross multiply
    2,214,330.76x = 3,055,785.78 × 1,247,472.64
  4. Step 4: Simplify right side
    2,214,330.76x = 3,812,009,154,251.06
  5. Step 5: Solve for x
    x = 3,812,009,154,251.06/2,214,330.76
  6. Step 6: Final answer
    x = 1,721,517.50

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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.