Home / 3,919,687.22-5,409,320.04-2,177,488.52

Finding the Fourth Proportional to 3,919,687.22, 5,409,320.04 and 2,177,488.52

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Solution

The fourth proportional to 3,919,687.22, 5,409,320.04 and 2,177,488.52 is: 3,005,018.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,687.22 : 5,409,320.04 = 2,177,488.52 : x
  2. Step 2: Convert to fraction form
    3,919,687.22/5,409,320.04 = 2,177,488.52/x
  3. Step 3: Cross multiply
    3,919,687.22x = 5,409,320.04 × 2,177,488.52
  4. Step 4: Simplify right side
    3,919,687.22x = 11,778,732,288,105.94
  5. Step 5: Solve for x
    x = 11,778,732,288,105.94/3,919,687.22
  6. Step 6: Final answer
    x = 3,005,018.42

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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.