Home / 5,338,741.80-8,008,486.18-2,143,867.90

Finding the Fourth Proportional to 5,338,741.80, 8,008,486.18 and 2,143,867.90

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Solution

The fourth proportional to 5,338,741.80, 8,008,486.18 and 2,143,867.90 is: 3,215,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,741.80 : 8,008,486.18 = 2,143,867.90 : x
  2. Step 2: Convert to fraction form
    5,338,741.80/8,008,486.18 = 2,143,867.90/x
  3. Step 3: Cross multiply
    5,338,741.80x = 8,008,486.18 × 2,143,867.90
  4. Step 4: Simplify right side
    5,338,741.80x = 17,169,136,448,895.62
  5. Step 5: Solve for x
    x = 17,169,136,448,895.62/5,338,741.80
  6. Step 6: Final answer
    x = 3,215,951.83

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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.