Home / 2,608,294.12-3,913,004.22-811,142.44

Finding the Fourth Proportional to 2,608,294.12, 3,913,004.22 and 811,142.44

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Solution

The fourth proportional to 2,608,294.12, 3,913,004.22 and 811,142.44 is: 1,216,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608,294.12 : 3,913,004.22 = 811,142.44 : x
  2. Step 2: Convert to fraction form
    2,608,294.12/3,913,004.22 = 811,142.44/x
  3. Step 3: Cross multiply
    2,608,294.12x = 3,913,004.22 × 811,142.44
  4. Step 4: Simplify right side
    2,608,294.12x = 3,174,003,790,741.10
  5. Step 5: Solve for x
    x = 3,174,003,790,741.10/2,608,294.12
  6. Step 6: Final answer
    x = 1,216,888.76

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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.