Home / 5,226,957.68-7,840,978.92-1,440,441.20

Finding the Fourth Proportional to 5,226,957.68, 7,840,978.92 and 1,440,441.20

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Solution

The fourth proportional to 5,226,957.68, 7,840,978.92 and 1,440,441.20 is: 2,160,811.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226,957.68 : 7,840,978.92 = 1,440,441.20 : x
  2. Step 2: Convert to fraction form
    5,226,957.68/7,840,978.92 = 1,440,441.20/x
  3. Step 3: Cross multiply
    5,226,957.68x = 7,840,978.92 × 1,440,441.20
  4. Step 4: Simplify right side
    5,226,957.68x = 11,294,469,084,699.50
  5. Step 5: Solve for x
    x = 11,294,469,084,699.50/5,226,957.68
  6. Step 6: Final answer
    x = 2,160,811.27

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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.