Home / 2,521,778.40-3,479,926.32-1,375,849.44

Finding the Fourth Proportional to 2,521,778.40, 3,479,926.32 and 1,375,849.44

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Solution

The fourth proportional to 2,521,778.40, 3,479,926.32 and 1,375,849.44 is: 1,898,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521,778.40 : 3,479,926.32 = 1,375,849.44 : x
  2. Step 2: Convert to fraction form
    2,521,778.40/3,479,926.32 = 1,375,849.44/x
  3. Step 3: Cross multiply
    2,521,778.40x = 3,479,926.32 × 1,375,849.44
  4. Step 4: Simplify right side
    2,521,778.40x = 4,787,854,678,613.26
  5. Step 5: Solve for x
    x = 4,787,854,678,613.26/2,521,778.40
  6. Step 6: Final answer
    x = 1,898,602.46

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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.