Home / 3,120,622.80-4,678,342.20-1,324,885.20

Finding the Fourth Proportional to 3,120,622.80, 4,678,342.20 and 1,324,885.20

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Solution

The fourth proportional to 3,120,622.80, 4,678,342.20 and 1,324,885.20 is: 1,986,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,622.80 : 4,678,342.20 = 1,324,885.20 : x
  2. Step 2: Convert to fraction form
    3,120,622.80/4,678,342.20 = 1,324,885.20/x
  3. Step 3: Cross multiply
    3,120,622.80x = 4,678,342.20 × 1,324,885.20
  4. Step 4: Simplify right side
    3,120,622.80x = 6,198,266,341,315.44
  5. Step 5: Solve for x
    x = 6,198,266,341,315.44/3,120,622.80
  6. Step 6: Final answer
    x = 1,986,227.35

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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.