Home / 3,868,928.87-5,338,697.92-2,237,089.30

Finding the Fourth Proportional to 3,868,928.87, 5,338,697.92 and 2,237,089.30

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Solution

The fourth proportional to 3,868,928.87, 5,338,697.92 and 2,237,089.30 is: 3,086,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,928.87 : 5,338,697.92 = 2,237,089.30 : x
  2. Step 2: Convert to fraction form
    3,868,928.87/5,338,697.92 = 2,237,089.30/x
  3. Step 3: Cross multiply
    3,868,928.87x = 5,338,697.92 × 2,237,089.30
  4. Step 4: Simplify right side
    3,868,928.87x = 11,943,143,973,824.79
  5. Step 5: Solve for x
    x = 11,943,143,973,824.79/3,868,928.87
  6. Step 6: Final answer
    x = 3,086,938.11

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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.