Home / 3,988,243.20-5,982,364.80-3,778,291.20

Finding the Fourth Proportional to 3,988,243.20, 5,982,364.80 and 3,778,291.20

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Solution

The fourth proportional to 3,988,243.20, 5,982,364.80 and 3,778,291.20 is: 5,667,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,243.20 : 5,982,364.80 = 3,778,291.20 : x
  2. Step 2: Convert to fraction form
    3,988,243.20/5,982,364.80 = 3,778,291.20/x
  3. Step 3: Cross multiply
    3,988,243.20x = 5,982,364.80 × 3,778,291.20
  4. Step 4: Simplify right side
    3,988,243.20x = 22,603,116,279,029.76
  5. Step 5: Solve for x
    x = 22,603,116,279,029.76/3,988,243.20
  6. Step 6: Final answer
    x = 5,667,436.80

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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.