Home / 2,613,539-3,920,456.28-930,642.68

Finding the Fourth Proportional to 2,613,539, 3,920,456.28 and 930,642.68

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Solution

The fourth proportional to 2,613,539, 3,920,456.28 and 930,642.68 is: 1,396,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613,539 : 3,920,456.28 = 930,642.68 : x
  2. Step 2: Convert to fraction form
    2,613,539/3,920,456.28 = 930,642.68/x
  3. Step 3: Cross multiply
    2,613,539x = 3,920,456.28 × 930,642.68
  4. Step 4: Simplify right side
    2,613,539x = 3,648,543,939,242.03
  5. Step 5: Solve for x
    x = 3,648,543,939,242.03/2,613,539
  6. Step 6: Final answer
    x = 1,396,016.64

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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.