Home / 2,941,416.60-4,412,379.03-811,500.72

Finding the Fourth Proportional to 2,941,416.60, 4,412,379.03 and 811,500.72

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Solution

The fourth proportional to 2,941,416.60, 4,412,379.03 and 811,500.72 is: 1,217,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941,416.60 : 4,412,379.03 = 811,500.72 : x
  2. Step 2: Convert to fraction form
    2,941,416.60/4,412,379.03 = 811,500.72/x
  3. Step 3: Cross multiply
    2,941,416.60x = 4,412,379.03 × 811,500.72
  4. Step 4: Simplify right side
    2,941,416.60x = 3,580,648,759,757.90
  5. Step 5: Solve for x
    x = 3,580,648,759,757.90/2,941,416.60
  6. Step 6: Final answer
    x = 1,217,321.19

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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.