Home / 3,995,505.17-5,512,447.91-2,275,407.80

Finding the Fourth Proportional to 3,995,505.17, 5,512,447.91 and 2,275,407.80

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Solution

The fourth proportional to 3,995,505.17, 5,512,447.91 and 2,275,407.80 is: 3,139,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995,505.17 : 5,512,447.91 = 2,275,407.80 : x
  2. Step 2: Convert to fraction form
    3,995,505.17/5,512,447.91 = 2,275,407.80/x
  3. Step 3: Cross multiply
    3,995,505.17x = 5,512,447.91 × 2,275,407.80
  4. Step 4: Simplify right side
    3,995,505.17x = 12,543,066,943,945.46
  5. Step 5: Solve for x
    x = 12,543,066,943,945.46/3,995,505.17
  6. Step 6: Final answer
    x = 3,139,294.39

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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.