Home / 2,378,360.96-3,282,121.20-1,290,604.88

Finding the Fourth Proportional to 2,378,360.96, 3,282,121.20 and 1,290,604.88

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Solution

The fourth proportional to 2,378,360.96, 3,282,121.20 and 1,290,604.88 is: 1,781,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,360.96 : 3,282,121.20 = 1,290,604.88 : x
  2. Step 2: Convert to fraction form
    2,378,360.96/3,282,121.20 = 1,290,604.88/x
  3. Step 3: Cross multiply
    2,378,360.96x = 3,282,121.20 × 1,290,604.88
  4. Step 4: Simplify right side
    2,378,360.96x = 4,235,921,637,471.46
  5. Step 5: Solve for x
    x = 4,235,921,637,471.46/2,378,360.96
  6. Step 6: Final answer
    x = 1,781,025.55

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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.