Home / 2,775,139.47-3,830,872.97-1,687,760.32

Finding the Fourth Proportional to 2,775,139.47, 3,830,872.97 and 1,687,760.32

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Solution

The fourth proportional to 2,775,139.47, 3,830,872.97 and 1,687,760.32 is: 2,329,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,139.47 : 3,830,872.97 = 1,687,760.32 : x
  2. Step 2: Convert to fraction form
    2,775,139.47/3,830,872.97 = 1,687,760.32/x
  3. Step 3: Cross multiply
    2,775,139.47x = 3,830,872.97 × 1,687,760.32
  4. Step 4: Simplify right side
    2,775,139.47x = 6,465,595,389,726.55
  5. Step 5: Solve for x
    x = 6,465,595,389,726.55/2,775,139.47
  6. Step 6: Final answer
    x = 2,329,827.19

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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.