Home / 2,988,274.60-4,459,105.09-2,666,212.53

Finding the Fourth Proportional to 2,988,274.60, 4,459,105.09 and 2,666,212.53

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Solution

The fourth proportional to 2,988,274.60, 4,459,105.09 and 2,666,212.53 is: 3,978,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,274.60 : 4,459,105.09 = 2,666,212.53 : x
  2. Step 2: Convert to fraction form
    2,988,274.60/4,459,105.09 = 2,666,212.53/x
  3. Step 3: Cross multiply
    2,988,274.60x = 4,459,105.09 × 2,666,212.53
  4. Step 4: Simplify right side
    2,988,274.60x = 11,888,921,863,544.78
  5. Step 5: Solve for x
    x = 11,888,921,863,544.78/2,988,274.60
  6. Step 6: Final answer
    x = 3,978,523.88

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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.