Home / 5,767,420.73-8,651,991.20-2,123,870.40

Finding the Fourth Proportional to 5,767,420.73, 8,651,991.20 and 2,123,870.40

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Solution

The fourth proportional to 5,767,420.73, 8,651,991.20 and 2,123,870.40 is: 3,186,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767,420.73 : 8,651,991.20 = 2,123,870.40 : x
  2. Step 2: Convert to fraction form
    5,767,420.73/8,651,991.20 = 2,123,870.40/x
  3. Step 3: Cross multiply
    5,767,420.73x = 8,651,991.20 × 2,123,870.40
  4. Step 4: Simplify right side
    5,767,420.73x = 18,375,708,000,121.13
  5. Step 5: Solve for x
    x = 18,375,708,000,121.13/5,767,420.73
  6. Step 6: Final answer
    x = 3,186,122.34

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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.