Home / 2,878,135.55-4,317,144.04-959,186.12

Finding the Fourth Proportional to 2,878,135.55, 4,317,144.04 and 959,186.12

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Solution

The fourth proportional to 2,878,135.55, 4,317,144.04 and 959,186.12 is: 1,438,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,135.55 : 4,317,144.04 = 959,186.12 : x
  2. Step 2: Convert to fraction form
    2,878,135.55/4,317,144.04 = 959,186.12/x
  3. Step 3: Cross multiply
    2,878,135.55x = 4,317,144.04 × 959,186.12
  4. Step 4: Simplify right side
    2,878,135.55x = 4,140,944,645,105.92
  5. Step 5: Solve for x
    x = 4,140,944,645,105.92/2,878,135.55
  6. Step 6: Final answer
    x = 1,438,759.42

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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.