Home / 4,161,505.10-6,242,257.65-1,321,904.30

Finding the Fourth Proportional to 4,161,505.10, 6,242,257.65 and 1,321,904.30

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Solution

The fourth proportional to 4,161,505.10, 6,242,257.65 and 1,321,904.30 is: 1,982,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161,505.10 : 6,242,257.65 = 1,321,904.30 : x
  2. Step 2: Convert to fraction form
    4,161,505.10/6,242,257.65 = 1,321,904.30/x
  3. Step 3: Cross multiply
    4,161,505.10x = 6,242,257.65 × 1,321,904.30
  4. Step 4: Simplify right side
    4,161,505.10x = 8,251,667,229,242.90
  5. Step 5: Solve for x
    x = 8,251,667,229,242.90/4,161,505.10
  6. Step 6: Final answer
    x = 1,982,856.45

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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.