Home / 6,142,938.80-8,480,324.57-3,820,579.92

Finding the Fourth Proportional to 6,142,938.80, 8,480,324.57 and 3,820,579.92

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Solution

The fourth proportional to 6,142,938.80, 8,480,324.57 and 3,820,579.92 is: 5,274,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142,938.80 : 8,480,324.57 = 3,820,579.92 : x
  2. Step 2: Convert to fraction form
    6,142,938.80/8,480,324.57 = 3,820,579.92/x
  3. Step 3: Cross multiply
    6,142,938.80x = 8,480,324.57 × 3,820,579.92
  4. Step 4: Simplify right side
    6,142,938.80x = 32,399,757,748,121.73
  5. Step 5: Solve for x
    x = 32,399,757,748,121.73/6,142,938.80
  6. Step 6: Final answer
    x = 5,274,309.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.