Home / 2,312,441.92-3,189,049.50-1,985,643.78

Finding the Fourth Proportional to 2,312,441.92, 3,189,049.50 and 1,985,643.78

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Solution

The fourth proportional to 2,312,441.92, 3,189,049.50 and 1,985,643.78 is: 2,738,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,441.92 : 3,189,049.50 = 1,985,643.78 : x
  2. Step 2: Convert to fraction form
    2,312,441.92/3,189,049.50 = 1,985,643.78/x
  3. Step 3: Cross multiply
    2,312,441.92x = 3,189,049.50 × 1,985,643.78
  4. Step 4: Simplify right side
    2,312,441.92x = 6,332,316,303,787.11
  5. Step 5: Solve for x
    x = 6,332,316,303,787.11/2,312,441.92
  6. Step 6: Final answer
    x = 2,738,367.72

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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.