Home / 3,192,138.60-4,788,207.90-1,995,412.20

Finding the Fourth Proportional to 3,192,138.60, 4,788,207.90 and 1,995,412.20

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Solution

The fourth proportional to 3,192,138.60, 4,788,207.90 and 1,995,412.20 is: 2,993,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192,138.60 : 4,788,207.90 = 1,995,412.20 : x
  2. Step 2: Convert to fraction form
    3,192,138.60/4,788,207.90 = 1,995,412.20/x
  3. Step 3: Cross multiply
    3,192,138.60x = 4,788,207.90 × 1,995,412.20
  4. Step 4: Simplify right side
    3,192,138.60x = 9,554,448,459,796.38
  5. Step 5: Solve for x
    x = 9,554,448,459,796.38/3,192,138.60
  6. Step 6: Final answer
    x = 2,993,118.30

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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.