Home / 2,752,375.40-4,128,563.10-2,122,519.40

Finding the Fourth Proportional to 2,752,375.40, 4,128,563.10 and 2,122,519.40

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Solution

The fourth proportional to 2,752,375.40, 4,128,563.10 and 2,122,519.40 is: 3,183,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,375.40 : 4,128,563.10 = 2,122,519.40 : x
  2. Step 2: Convert to fraction form
    2,752,375.40/4,128,563.10 = 2,122,519.40/x
  3. Step 3: Cross multiply
    2,752,375.40x = 4,128,563.10 × 2,122,519.40
  4. Step 4: Simplify right side
    2,752,375.40x = 8,762,955,273,874.14
  5. Step 5: Solve for x
    x = 8,762,955,273,874.14/2,752,375.40
  6. Step 6: Final answer
    x = 3,183,779.10

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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.