Home / 3,612,189.55-4,984,869.82-1,980,592.78

Finding the Fourth Proportional to 3,612,189.55, 4,984,869.82 and 1,980,592.78

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Solution

The fourth proportional to 3,612,189.55, 4,984,869.82 and 1,980,592.78 is: 2,733,244.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,189.55 : 4,984,869.82 = 1,980,592.78 : x
  2. Step 2: Convert to fraction form
    3,612,189.55/4,984,869.82 = 1,980,592.78/x
  3. Step 3: Cross multiply
    3,612,189.55x = 4,984,869.82 × 1,980,592.78
  4. Step 4: Simplify right side
    3,612,189.55x = 9,872,997,174,731.90
  5. Step 5: Solve for x
    x = 9,872,997,174,731.90/3,612,189.55
  6. Step 6: Final answer
    x = 2,733,244.49

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1.5x scale

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.