Home / 2,318,882.51-3,477,866.02-781,725.80

Finding the Fourth Proportional to 2,318,882.51, 3,477,866.02 and 781,725.80

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Solution

The fourth proportional to 2,318,882.51, 3,477,866.02 and 781,725.80 is: 1,172,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,882.51 : 3,477,866.02 = 781,725.80 : x
  2. Step 2: Convert to fraction form
    2,318,882.51/3,477,866.02 = 781,725.80/x
  3. Step 3: Cross multiply
    2,318,882.51x = 3,477,866.02 × 781,725.80
  4. Step 4: Simplify right side
    2,318,882.51x = 2,718,737,603,517.67
  5. Step 5: Solve for x
    x = 2,718,737,603,517.67/2,318,882.51
  6. Step 6: Final answer
    x = 1,172,434.39

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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.