Home / 1,498,474.40-2,247,711.60-1,489,143.20

Finding the Fourth Proportional to 1,498,474.40, 2,247,711.60 and 1,489,143.20

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Solution

The fourth proportional to 1,498,474.40, 2,247,711.60 and 1,489,143.20 is: 2,233,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,474.40 : 2,247,711.60 = 1,489,143.20 : x
  2. Step 2: Convert to fraction form
    1,498,474.40/2,247,711.60 = 1,489,143.20/x
  3. Step 3: Cross multiply
    1,498,474.40x = 2,247,711.60 × 1,489,143.20
  4. Step 4: Simplify right side
    1,498,474.40x = 3,347,164,444,701.12
  5. Step 5: Solve for x
    x = 3,347,164,444,701.12/1,498,474.40
  6. Step 6: Final answer
    x = 2,233,714.80

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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.