Home / 3,120,578.40-4,680,882.18-1,323,010.20

Finding the Fourth Proportional to 3,120,578.40, 4,680,882.18 and 1,323,010.20

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Solution

The fourth proportional to 3,120,578.40, 4,680,882.18 and 1,323,010.20 is: 1,984,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,578.40 : 4,680,882.18 = 1,323,010.20 : x
  2. Step 2: Convert to fraction form
    3,120,578.40/4,680,882.18 = 1,323,010.20/x
  3. Step 3: Cross multiply
    3,120,578.40x = 4,680,882.18 × 1,323,010.20
  4. Step 4: Simplify right side
    3,120,578.40x = 6,192,854,869,138.24
  5. Step 5: Solve for x
    x = 6,192,854,869,138.24/3,120,578.40
  6. Step 6: Final answer
    x = 1,984,521.48

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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.