Home / 2,912,380.92-4,018,912.76-1,671,704.64

Finding the Fourth Proportional to 2,912,380.92, 4,018,912.76 and 1,671,704.64

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Solution

The fourth proportional to 2,912,380.92, 4,018,912.76 and 1,671,704.64 is: 2,306,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,380.92 : 4,018,912.76 = 1,671,704.64 : x
  2. Step 2: Convert to fraction form
    2,912,380.92/4,018,912.76 = 1,671,704.64/x
  3. Step 3: Cross multiply
    2,912,380.92x = 4,018,912.76 × 1,671,704.64
  4. Step 4: Simplify right side
    2,912,380.92x = 6,718,435,100,288.68
  5. Step 5: Solve for x
    x = 6,718,435,100,288.68/2,912,380.92
  6. Step 6: Final answer
    x = 2,306,853.15

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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.