Home / 3,897,542.49-5,378,615.73-2,178,661.95

Finding the Fourth Proportional to 3,897,542.49, 5,378,615.73 and 2,178,661.95

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Solution

The fourth proportional to 3,897,542.49, 5,378,615.73 and 2,178,661.95 is: 3,006,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897,542.49 : 5,378,615.73 = 2,178,661.95 : x
  2. Step 2: Convert to fraction form
    3,897,542.49/5,378,615.73 = 2,178,661.95/x
  3. Step 3: Cross multiply
    3,897,542.49x = 5,378,615.73 × 2,178,661.95
  4. Step 4: Simplify right side
    3,897,542.49x = 11,718,185,434,622.47
  5. Step 5: Solve for x
    x = 11,718,185,434,622.47/3,897,542.49
  6. Step 6: Final answer
    x = 3,006,557.46

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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.