Home / 3,612,188.55-4,984,868.44-1,980,591.78

Finding the Fourth Proportional to 3,612,188.55, 4,984,868.44 and 1,980,591.78

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Solution

The fourth proportional to 3,612,188.55, 4,984,868.44 and 1,980,591.78 is: 2,733,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,188.55 : 4,984,868.44 = 1,980,591.78 : x
  2. Step 2: Convert to fraction form
    3,612,188.55/4,984,868.44 = 1,980,591.78/x
  3. Step 3: Cross multiply
    3,612,188.55x = 4,984,868.44 × 1,980,591.78
  4. Step 4: Simplify right side
    3,612,188.55x = 9,872,989,466,673.59
  5. Step 5: Solve for x
    x = 9,872,989,466,673.59/3,612,188.55
  6. Step 6: Final answer
    x = 2,733,243.11

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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.