Home / 2,988,879.56-4,486,369.02-2,187,781.48

Finding the Fourth Proportional to 2,988,879.56, 4,486,369.02 and 2,187,781.48

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Solution

The fourth proportional to 2,988,879.56, 4,486,369.02 and 2,187,781.48 is: 3,283,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,879.56 : 4,486,369.02 = 2,187,781.48 : x
  2. Step 2: Convert to fraction form
    2,988,879.56/4,486,369.02 = 2,187,781.48/x
  3. Step 3: Cross multiply
    2,988,879.56x = 4,486,369.02 × 2,187,781.48
  4. Step 4: Simplify right side
    2,988,879.56x = 9,815,195,054,401.75
  5. Step 5: Solve for x
    x = 9,815,195,054,401.75/2,988,879.56
  6. Step 6: Final answer
    x = 3,283,904.51

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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.