Home / 2,414,915.20-3,622,810.20-1,213,814.80

Finding the Fourth Proportional to 2,414,915.20, 3,622,810.20 and 1,213,814.80

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Solution

The fourth proportional to 2,414,915.20, 3,622,810.20 and 1,213,814.80 is: 1,820,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414,915.20 : 3,622,810.20 = 1,213,814.80 : x
  2. Step 2: Convert to fraction form
    2,414,915.20/3,622,810.20 = 1,213,814.80/x
  3. Step 3: Cross multiply
    2,414,915.20x = 3,622,810.20 × 1,213,814.80
  4. Step 4: Simplify right side
    2,414,915.20x = 4,397,420,638,350.96
  5. Step 5: Solve for x
    x = 4,397,420,638,350.96/2,414,915.20
  6. Step 6: Final answer
    x = 1,820,942.05

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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.