Home / 2,091,251.60-3,132,730.20-1,247,296.40

Finding the Fourth Proportional to 2,091,251.60, 3,132,730.20 and 1,247,296.40

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Solution

The fourth proportional to 2,091,251.60, 3,132,730.20 and 1,247,296.40 is: 1,868,471.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,251.60 : 3,132,730.20 = 1,247,296.40 : x
  2. Step 2: Convert to fraction form
    2,091,251.60/3,132,730.20 = 1,247,296.40/x
  3. Step 3: Cross multiply
    2,091,251.60x = 3,132,730.20 × 1,247,296.40
  4. Step 4: Simplify right side
    2,091,251.60x = 3,907,443,100,631.28
  5. Step 5: Solve for x
    x = 3,907,443,100,631.28/2,091,251.60
  6. Step 6: Final answer
    x = 1,868,471.06

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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.