Home / 2,181,636.46-3,272,445.72-665,314.93

Finding the Fourth Proportional to 2,181,636.46, 3,272,445.72 and 665,314.93

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Solution

The fourth proportional to 2,181,636.46, 3,272,445.72 and 665,314.93 is: 997,969.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,636.46 : 3,272,445.72 = 665,314.93 : x
  2. Step 2: Convert to fraction form
    2,181,636.46/3,272,445.72 = 665,314.93/x
  3. Step 3: Cross multiply
    2,181,636.46x = 3,272,445.72 × 665,314.93
  4. Step 4: Simplify right side
    2,181,636.46x = 2,177,206,995,130.60
  5. Step 5: Solve for x
    x = 2,177,206,995,130.60/2,181,636.46
  6. Step 6: Final answer
    x = 997,969.66

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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.