Home / 3,447,774.20-4,757,928.15-1,998,310.38

Finding the Fourth Proportional to 3,447,774.20, 4,757,928.15 and 1,998,310.38

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Solution

The fourth proportional to 3,447,774.20, 4,757,928.15 and 1,998,310.38 is: 2,757,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,774.20 : 4,757,928.15 = 1,998,310.38 : x
  2. Step 2: Convert to fraction form
    3,447,774.20/4,757,928.15 = 1,998,310.38/x
  3. Step 3: Cross multiply
    3,447,774.20x = 4,757,928.15 × 1,998,310.38
  4. Step 4: Simplify right side
    3,447,774.20x = 9,507,817,209,439.20
  5. Step 5: Solve for x
    x = 9,507,817,209,439.20/3,447,774.20
  6. Step 6: Final answer
    x = 2,757,668.19

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1.5x scale

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.