Home / 2,161,294.65-2,982,595.87-1,181,253.48

Finding the Fourth Proportional to 2,161,294.65, 2,982,595.87 and 1,181,253.48

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Solution

The fourth proportional to 2,161,294.65, 2,982,595.87 and 1,181,253.48 is: 1,630,134.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,294.65 : 2,982,595.87 = 1,181,253.48 : x
  2. Step 2: Convert to fraction form
    2,161,294.65/2,982,595.87 = 1,181,253.48/x
  3. Step 3: Cross multiply
    2,161,294.65x = 2,982,595.87 × 1,181,253.48
  4. Step 4: Simplify right side
    2,161,294.65x = 3,523,201,741,162.96
  5. Step 5: Solve for x
    x = 3,523,201,741,162.96/2,161,294.65
  6. Step 6: Final answer
    x = 1,630,134.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.