Home / 2,154,865.20-3,227,632.20-1,781,617.20

Finding the Fourth Proportional to 2,154,865.20, 3,227,632.20 and 1,781,617.20

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Solution

The fourth proportional to 2,154,865.20, 3,227,632.20 and 1,781,617.20 is: 2,668,568.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,865.20 : 3,227,632.20 = 1,781,617.20 : x
  2. Step 2: Convert to fraction form
    2,154,865.20/3,227,632.20 = 1,781,617.20/x
  3. Step 3: Cross multiply
    2,154,865.20x = 3,227,632.20 × 1,781,617.20
  4. Step 4: Simplify right side
    2,154,865.20x = 5,750,405,042,793.84
  5. Step 5: Solve for x
    x = 5,750,405,042,793.84/2,154,865.20
  6. Step 6: Final answer
    x = 2,668,568.34

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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.