Home / 3,619,127.79-5,428,432.71-2,101,863.69

Finding the Fourth Proportional to 3,619,127.79, 5,428,432.71 and 2,101,863.69

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Solution

The fourth proportional to 3,619,127.79, 5,428,432.71 and 2,101,863.69 is: 3,152,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,127.79 : 5,428,432.71 = 2,101,863.69 : x
  2. Step 2: Convert to fraction form
    3,619,127.79/5,428,432.71 = 2,101,863.69/x
  3. Step 3: Cross multiply
    3,619,127.79x = 5,428,432.71 × 2,101,863.69
  4. Step 4: Simplify right side
    3,619,127.79x = 11,409,825,606,757.30
  5. Step 5: Solve for x
    x = 11,409,825,606,757.30/3,619,127.79
  6. Step 6: Final answer
    x = 3,152,645.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.