Home / 2,187,627.10-3,281,440.65-1,921,906.60

Finding the Fourth Proportional to 2,187,627.10, 3,281,440.65 and 1,921,906.60

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Solution

The fourth proportional to 2,187,627.10, 3,281,440.65 and 1,921,906.60 is: 2,882,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,627.10 : 3,281,440.65 = 1,921,906.60 : x
  2. Step 2: Convert to fraction form
    2,187,627.10/3,281,440.65 = 1,921,906.60/x
  3. Step 3: Cross multiply
    2,187,627.10x = 3,281,440.65 × 1,921,906.60
  4. Step 4: Simplify right side
    2,187,627.10x = 6,306,622,442,743.29
  5. Step 5: Solve for x
    x = 6,306,622,442,743.29/2,187,627.10
  6. Step 6: Final answer
    x = 2,882,859.90

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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.