Home / 1,947,398.85-2,687,536.53-1,087,963.74

Finding the Fourth Proportional to 1,947,398.85, 2,687,536.53 and 1,087,963.74

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Solution

The fourth proportional to 1,947,398.85, 2,687,536.53 and 1,087,963.74 is: 1,501,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,398.85 : 2,687,536.53 = 1,087,963.74 : x
  2. Step 2: Convert to fraction form
    1,947,398.85/2,687,536.53 = 1,087,963.74/x
  3. Step 3: Cross multiply
    1,947,398.85x = 2,687,536.53 × 1,087,963.74
  4. Step 4: Simplify right side
    1,947,398.85x = 2,923,942,294,565.42
  5. Step 5: Solve for x
    x = 2,923,942,294,565.42/1,947,398.85
  6. Step 6: Final answer
    x = 1,501,460.42

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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.