Home / 3,865,312.56-5,334,195.39-2,123,142.96

Finding the Fourth Proportional to 3,865,312.56, 5,334,195.39 and 2,123,142.96

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Solution

The fourth proportional to 3,865,312.56, 5,334,195.39 and 2,123,142.96 is: 2,929,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,312.56 : 5,334,195.39 = 2,123,142.96 : x
  2. Step 2: Convert to fraction form
    3,865,312.56/5,334,195.39 = 2,123,142.96/x
  3. Step 3: Cross multiply
    3,865,312.56x = 5,334,195.39 × 2,123,142.96
  4. Step 4: Simplify right side
    3,865,312.56x = 11,325,259,389,542.95
  5. Step 5: Solve for x
    x = 11,325,259,389,542.95/3,865,312.56
  6. Step 6: Final answer
    x = 2,929,972.47

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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.