Home / 3,768,970.50-5,202,103.50-2,138,332.50

Finding the Fourth Proportional to 3,768,970.50, 5,202,103.50 and 2,138,332.50

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Solution

The fourth proportional to 3,768,970.50, 5,202,103.50 and 2,138,332.50 is: 2,951,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,970.50 : 5,202,103.50 = 2,138,332.50 : x
  2. Step 2: Convert to fraction form
    3,768,970.50/5,202,103.50 = 2,138,332.50/x
  3. Step 3: Cross multiply
    3,768,970.50x = 5,202,103.50 × 2,138,332.50
  4. Step 4: Simplify right side
    3,768,970.50x = 11,123,826,982,413.75
  5. Step 5: Solve for x
    x = 11,123,826,982,413.75/3,768,970.50
  6. Step 6: Final answer
    x = 2,951,423.20

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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.