Home / 2,775,139.72-3,830,873.31-1,687,760.57

Finding the Fourth Proportional to 2,775,139.72, 3,830,873.31 and 1,687,760.57

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Solution

The fourth proportional to 2,775,139.72, 3,830,873.31 and 1,687,760.57 is: 2,329,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,139.72 : 3,830,873.31 = 1,687,760.57 : x
  2. Step 2: Convert to fraction form
    2,775,139.72/3,830,873.31 = 1,687,760.57/x
  3. Step 3: Cross multiply
    2,775,139.72x = 3,830,873.31 × 1,687,760.57
  4. Step 4: Simplify right side
    2,775,139.72x = 6,465,596,921,283.39
  5. Step 5: Solve for x
    x = 6,465,596,921,283.39/2,775,139.72
  6. Step 6: Final answer
    x = 2,329,827.53

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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.