Home / 3,967,438.95-5,946,177.52-2,145,731.29

Finding the Fourth Proportional to 3,967,438.95, 5,946,177.52 and 2,145,731.29

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Solution

The fourth proportional to 3,967,438.95, 5,946,177.52 and 2,145,731.29 is: 3,215,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967,438.95 : 5,946,177.52 = 2,145,731.29 : x
  2. Step 2: Convert to fraction form
    3,967,438.95/5,946,177.52 = 2,145,731.29/x
  3. Step 3: Cross multiply
    3,967,438.95x = 5,946,177.52 × 2,145,731.29
  4. Step 4: Simplify right side
    3,967,438.95x = 12,758,899,160,558.60
  5. Step 5: Solve for x
    x = 12,758,899,160,558.60/3,967,438.95
  6. Step 6: Final answer
    x = 3,215,903.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.