Home / 5,338,742.80-8,008,487.68-2,143,868.90

Finding the Fourth Proportional to 5,338,742.80, 8,008,487.68 and 2,143,868.90

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Solution

The fourth proportional to 5,338,742.80, 8,008,487.68 and 2,143,868.90 is: 3,215,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,742.80 : 8,008,487.68 = 2,143,868.90 : x
  2. Step 2: Convert to fraction form
    5,338,742.80/8,008,487.68 = 2,143,868.90/x
  3. Step 3: Cross multiply
    5,338,742.80x = 8,008,487.68 × 2,143,868.90
  4. Step 4: Simplify right side
    5,338,742.80x = 17,169,147,673,185.15
  5. Step 5: Solve for x
    x = 17,169,147,673,185.15/5,338,742.80
  6. Step 6: Final answer
    x = 3,215,953.33

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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.