Home / 2,218,201.55-3,061,127.36-1,199,606.30

Finding the Fourth Proportional to 2,218,201.55, 3,061,127.36 and 1,199,606.30

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Solution

The fourth proportional to 2,218,201.55, 3,061,127.36 and 1,199,606.30 is: 1,655,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,201.55 : 3,061,127.36 = 1,199,606.30 : x
  2. Step 2: Convert to fraction form
    2,218,201.55/3,061,127.36 = 1,199,606.30/x
  3. Step 3: Cross multiply
    2,218,201.55x = 3,061,127.36 × 1,199,606.30
  4. Step 4: Simplify right side
    2,218,201.55x = 3,672,147,673,319.85
  5. Step 5: Solve for x
    x = 3,672,147,673,319.85/2,218,201.55
  6. Step 6: Final answer
    x = 1,655,461.68

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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.