Home / 3,760,989.72-5,190,020.28-2,042,070.90

Finding the Fourth Proportional to 3,760,989.72, 5,190,020.28 and 2,042,070.90

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Solution

The fourth proportional to 3,760,989.72, 5,190,020.28 and 2,042,070.90 is: 2,817,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760,989.72 : 5,190,020.28 = 2,042,070.90 : x
  2. Step 2: Convert to fraction form
    3,760,989.72/5,190,020.28 = 2,042,070.90/x
  3. Step 3: Cross multiply
    3,760,989.72x = 5,190,020.28 × 2,042,070.90
  4. Step 4: Simplify right side
    3,760,989.72x = 10,598,389,384,197.85
  5. Step 5: Solve for x
    x = 10,598,389,384,197.85/3,760,989.72
  6. Step 6: Final answer
    x = 2,817,978.82

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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.