Home / 2,187,608.20-3,281,412.30-1,656,167.20

Finding the Fourth Proportional to 2,187,608.20, 3,281,412.30 and 1,656,167.20

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Solution

The fourth proportional to 2,187,608.20, 3,281,412.30 and 1,656,167.20 is: 2,484,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,608.20 : 3,281,412.30 = 1,656,167.20 : x
  2. Step 2: Convert to fraction form
    2,187,608.20/3,281,412.30 = 1,656,167.20/x
  3. Step 3: Cross multiply
    2,187,608.20x = 3,281,412.30 × 1,656,167.20
  4. Step 4: Simplify right side
    2,187,608.20x = 5,434,567,420,936.56
  5. Step 5: Solve for x
    x = 5,434,567,420,936.56/2,187,608.20
  6. Step 6: Final answer
    x = 2,484,250.80

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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.