Home / 1,815,200.10-2,722,800.15-1,248,329.70

Finding the Fourth Proportional to 1,815,200.10, 2,722,800.15 and 1,248,329.70

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Solution

The fourth proportional to 1,815,200.10, 2,722,800.15 and 1,248,329.70 is: 1,872,494.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,200.10 : 2,722,800.15 = 1,248,329.70 : x
  2. Step 2: Convert to fraction form
    1,815,200.10/2,722,800.15 = 1,248,329.70/x
  3. Step 3: Cross multiply
    1,815,200.10x = 2,722,800.15 × 1,248,329.70
  4. Step 4: Simplify right side
    1,815,200.10x = 3,398,952,294,409.45
  5. Step 5: Solve for x
    x = 3,398,952,294,409.45/1,815,200.10
  6. Step 6: Final answer
    x = 1,872,494.55

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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.