Home / 3,918,057.66-5,406,623.10-2,198,846.03

Finding the Fourth Proportional to 3,918,057.66, 5,406,623.10 and 2,198,846.03

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Solution

The fourth proportional to 3,918,057.66, 5,406,623.10 and 2,198,846.03 is: 3,034,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,057.66 : 5,406,623.10 = 2,198,846.03 : x
  2. Step 2: Convert to fraction form
    3,918,057.66/5,406,623.10 = 2,198,846.03/x
  3. Step 3: Cross multiply
    3,918,057.66x = 5,406,623.10 × 2,198,846.03
  4. Step 4: Simplify right side
    3,918,057.66x = 11,888,331,712,108.18
  5. Step 5: Solve for x
    x = 11,888,331,712,108.18/3,918,057.66
  6. Step 6: Final answer
    x = 3,034,241.13

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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.