Home / 2,177,409.80-3,266,241.82-661,142.20

Finding the Fourth Proportional to 2,177,409.80, 3,266,241.82 and 661,142.20

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Solution

The fourth proportional to 2,177,409.80, 3,266,241.82 and 661,142.20 is: 991,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,409.80 : 3,266,241.82 = 661,142.20 : x
  2. Step 2: Convert to fraction form
    2,177,409.80/3,266,241.82 = 661,142.20/x
  3. Step 3: Cross multiply
    2,177,409.80x = 3,266,241.82 × 661,142.20
  4. Step 4: Simplify right side
    2,177,409.80x = 2,159,450,302,606.80
  5. Step 5: Solve for x
    x = 2,159,450,302,606.80/2,177,409.80
  6. Step 6: Final answer
    x = 991,751.90

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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.