Home / 2,125,380.53-3,188,085.15-776,988.44

Finding the Fourth Proportional to 2,125,380.53, 3,188,085.15 and 776,988.44

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Solution

The fourth proportional to 2,125,380.53, 3,188,085.15 and 776,988.44 is: 1,165,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,380.53 : 3,188,085.15 = 776,988.44 : x
  2. Step 2: Convert to fraction form
    2,125,380.53/3,188,085.15 = 776,988.44/x
  3. Step 3: Cross multiply
    2,125,380.53x = 3,188,085.15 × 776,988.44
  4. Step 4: Simplify right side
    2,125,380.53x = 2,477,105,307,285.67
  5. Step 5: Solve for x
    x = 2,477,105,307,285.67/2,125,380.53
  6. Step 6: Final answer
    x = 1,165,487.91

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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.