Home / 3,438,342.60-5,157,690.50-879,579.70

Finding the Fourth Proportional to 3,438,342.60, 5,157,690.50 and 879,579.70

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Solution

The fourth proportional to 3,438,342.60, 5,157,690.50 and 879,579.70 is: 1,319,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,342.60 : 5,157,690.50 = 879,579.70 : x
  2. Step 2: Convert to fraction form
    3,438,342.60/5,157,690.50 = 879,579.70/x
  3. Step 3: Cross multiply
    3,438,342.60x = 5,157,690.50 × 879,579.70
  4. Step 4: Simplify right side
    3,438,342.60x = 4,536,599,862,682.85
  5. Step 5: Solve for x
    x = 4,536,599,862,682.85/3,438,342.60
  6. Step 6: Final answer
    x = 1,319,414.73

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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.