Home / 3,954,142.48-5,456,711.40-2,143,306

Finding the Fourth Proportional to 3,954,142.48, 5,456,711.40 and 2,143,306

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Solution

The fourth proportional to 3,954,142.48, 5,456,711.40 and 2,143,306 is: 2,957,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954,142.48 : 5,456,711.40 = 2,143,306 : x
  2. Step 2: Convert to fraction form
    3,954,142.48/5,456,711.40 = 2,143,306/x
  3. Step 3: Cross multiply
    3,954,142.48x = 5,456,711.40 × 2,143,306
  4. Step 4: Simplify right side
    3,954,142.48x = 11,695,402,283,888.40
  5. Step 5: Solve for x
    x = 11,695,402,283,888.40/3,954,142.48
  6. Step 6: Final answer
    x = 2,957,759.45

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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.