Home / 2,227,122.78-3,073,438.17-1,208,527.62

Finding the Fourth Proportional to 2,227,122.78, 3,073,438.17 and 1,208,527.62

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Solution

The fourth proportional to 2,227,122.78, 3,073,438.17 and 1,208,527.62 is: 1,667,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,122.78 : 3,073,438.17 = 1,208,527.62 : x
  2. Step 2: Convert to fraction form
    2,227,122.78/3,073,438.17 = 1,208,527.62/x
  3. Step 3: Cross multiply
    2,227,122.78x = 3,073,438.17 × 1,208,527.62
  4. Step 4: Simplify right side
    2,227,122.78x = 3,714,334,916,807.26
  5. Step 5: Solve for x
    x = 3,714,334,916,807.26/2,227,122.78
  6. Step 6: Final answer
    x = 1,667,772.85

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1.5x scale

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.