Home / 4,390,935.20-6,573,572.40-3,131,223.20

Finding the Fourth Proportional to 4,390,935.20, 6,573,572.40 and 3,131,223.20

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Solution

The fourth proportional to 4,390,935.20, 6,573,572.40 and 3,131,223.20 is: 4,687,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390,935.20 : 6,573,572.40 = 3,131,223.20 : x
  2. Step 2: Convert to fraction form
    4,390,935.20/6,573,572.40 = 3,131,223.20/x
  3. Step 3: Cross multiply
    4,390,935.20x = 6,573,572.40 × 3,131,223.20
  4. Step 4: Simplify right side
    4,390,935.20x = 20,583,322,405,759.68
  5. Step 5: Solve for x
    x = 20,583,322,405,759.68/4,390,935.20
  6. Step 6: Final answer
    x = 4,687,685.30

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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.