Home / 2,588,557.81-3,882,836.71-791,441.28

Finding the Fourth Proportional to 2,588,557.81, 3,882,836.71 and 791,441.28

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Solution

The fourth proportional to 2,588,557.81, 3,882,836.71 and 791,441.28 is: 1,187,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,557.81 : 3,882,836.71 = 791,441.28 : x
  2. Step 2: Convert to fraction form
    2,588,557.81/3,882,836.71 = 791,441.28/x
  3. Step 3: Cross multiply
    2,588,557.81x = 3,882,836.71 × 791,441.28
  4. Step 4: Simplify right side
    2,588,557.81x = 3,073,037,251,836.18
  5. Step 5: Solve for x
    x = 3,073,037,251,836.18/2,588,557.81
  6. Step 6: Final answer
    x = 1,187,161.92

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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.