Home / 3,162,393.75-4,743,721.89-918,531.75

Finding the Fourth Proportional to 3,162,393.75, 4,743,721.89 and 918,531.75

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Solution

The fourth proportional to 3,162,393.75, 4,743,721.89 and 918,531.75 is: 1,377,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,393.75 : 4,743,721.89 = 918,531.75 : x
  2. Step 2: Convert to fraction form
    3,162,393.75/4,743,721.89 = 918,531.75/x
  3. Step 3: Cross multiply
    3,162,393.75x = 4,743,721.89 × 918,531.75
  4. Step 4: Simplify right side
    3,162,393.75x = 4,357,259,169,135.01
  5. Step 5: Solve for x
    x = 4,357,259,169,135.01/3,162,393.75
  6. Step 6: Final answer
    x = 1,377,835.75

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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.