Home / 2,988,255.60-4,459,076.82-2,666,193.53

Finding the Fourth Proportional to 2,988,255.60, 4,459,076.82 and 2,666,193.53

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Solution

The fourth proportional to 2,988,255.60, 4,459,076.82 and 2,666,193.53 is: 3,978,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,255.60 : 4,459,076.82 = 2,666,193.53 : x
  2. Step 2: Convert to fraction form
    2,988,255.60/4,459,076.82 = 2,666,193.53/x
  3. Step 3: Cross multiply
    2,988,255.60x = 4,459,076.82 × 2,666,193.53
  4. Step 4: Simplify right side
    2,988,255.60x = 11,888,761,744,961.59
  5. Step 5: Solve for x
    x = 11,888,761,744,961.59/2,988,255.60
  6. Step 6: Final answer
    x = 3,978,495.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.