Home / 4,128,359.10-6,193,522.80-1,996,690.20

Finding the Fourth Proportional to 4,128,359.10, 6,193,522.80 and 1,996,690.20

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Solution

The fourth proportional to 4,128,359.10, 6,193,522.80 and 1,996,690.20 is: 2,995,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,359.10 : 6,193,522.80 = 1,996,690.20 : x
  2. Step 2: Convert to fraction form
    4,128,359.10/6,193,522.80 = 1,996,690.20/x
  3. Step 3: Cross multiply
    4,128,359.10x = 6,193,522.80 × 1,996,690.20
  4. Step 4: Simplify right side
    4,128,359.10x = 12,366,546,278,236.56
  5. Step 5: Solve for x
    x = 12,366,546,278,236.56/4,128,359.10
  6. Step 6: Final answer
    x = 2,995,511.29

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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.