Home / 2,206,939.92-3,045,479.88-1,289,254.02

Finding the Fourth Proportional to 2,206,939.92, 3,045,479.88 and 1,289,254.02

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Solution

The fourth proportional to 2,206,939.92, 3,045,479.88 and 1,289,254.02 is: 1,779,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206,939.92 : 3,045,479.88 = 1,289,254.02 : x
  2. Step 2: Convert to fraction form
    2,206,939.92/3,045,479.88 = 1,289,254.02/x
  3. Step 3: Cross multiply
    2,206,939.92x = 3,045,479.88 × 1,289,254.02
  4. Step 4: Simplify right side
    2,206,939.92x = 3,926,397,178,119.12
  5. Step 5: Solve for x
    x = 3,926,397,178,119.12/2,206,939.92
  6. Step 6: Final answer
    x = 1,779,113.76

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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.