Home / 2,680,917.40-4,021,376.10-1,619,234.20

Finding the Fourth Proportional to 2,680,917.40, 4,021,376.10 and 1,619,234.20

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Solution

The fourth proportional to 2,680,917.40, 4,021,376.10 and 1,619,234.20 is: 2,428,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,917.40 : 4,021,376.10 = 1,619,234.20 : x
  2. Step 2: Convert to fraction form
    2,680,917.40/4,021,376.10 = 1,619,234.20/x
  3. Step 3: Cross multiply
    2,680,917.40x = 4,021,376.10 × 1,619,234.20
  4. Step 4: Simplify right side
    2,680,917.40x = 6,511,549,712,182.62
  5. Step 5: Solve for x
    x = 6,511,549,712,182.62/2,680,917.40
  6. Step 6: Final answer
    x = 2,428,851.30

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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.