Home / 2,666,866.13-3,680,275.26-1,443,171.65

Finding the Fourth Proportional to 2,666,866.13, 3,680,275.26 and 1,443,171.65

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Solution

The fourth proportional to 2,666,866.13, 3,680,275.26 and 1,443,171.65 is: 1,991,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,866.13 : 3,680,275.26 = 1,443,171.65 : x
  2. Step 2: Convert to fraction form
    2,666,866.13/3,680,275.26 = 1,443,171.65/x
  3. Step 3: Cross multiply
    2,666,866.13x = 3,680,275.26 × 1,443,171.65
  4. Step 4: Simplify right side
    2,666,866.13x = 5,311,268,919,428.38
  5. Step 5: Solve for x
    x = 5,311,268,919,428.38/2,666,866.13
  6. Step 6: Final answer
    x = 1,991,576.88

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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.