Home / 2,187,342.70-3,281,014.05-1,226,812.30

Finding the Fourth Proportional to 2,187,342.70, 3,281,014.05 and 1,226,812.30

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Solution

The fourth proportional to 2,187,342.70, 3,281,014.05 and 1,226,812.30 is: 1,840,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,342.70 : 3,281,014.05 = 1,226,812.30 : x
  2. Step 2: Convert to fraction form
    2,187,342.70/3,281,014.05 = 1,226,812.30/x
  3. Step 3: Cross multiply
    2,187,342.70x = 3,281,014.05 × 1,226,812.30
  4. Step 4: Simplify right side
    2,187,342.70x = 4,025,188,393,012.82
  5. Step 5: Solve for x
    x = 4,025,188,393,012.82/2,187,342.70
  6. Step 6: Final answer
    x = 1,840,218.45

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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.