Home / 2,177,407.27-3,266,238.03-661,139.67

Finding the Fourth Proportional to 2,177,407.27, 3,266,238.03 and 661,139.67

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Solution

The fourth proportional to 2,177,407.27, 3,266,238.03 and 661,139.67 is: 991,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,407.27 : 3,266,238.03 = 661,139.67 : x
  2. Step 2: Convert to fraction form
    2,177,407.27/3,266,238.03 = 661,139.67/x
  3. Step 3: Cross multiply
    2,177,407.27x = 3,266,238.03 × 661,139.67
  4. Step 4: Simplify right side
    2,177,407.27x = 2,159,439,524,692.18
  5. Step 5: Solve for x
    x = 2,159,439,524,692.18/2,177,407.27
  6. Step 6: Final answer
    x = 991,748.10

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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.