Home / 3,138,576.20-4,707,864.30-1,037,328.20

Finding the Fourth Proportional to 3,138,576.20, 4,707,864.30 and 1,037,328.20

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Solution

The fourth proportional to 3,138,576.20, 4,707,864.30 and 1,037,328.20 is: 1,555,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,576.20 : 4,707,864.30 = 1,037,328.20 : x
  2. Step 2: Convert to fraction form
    3,138,576.20/4,707,864.30 = 1,037,328.20/x
  3. Step 3: Cross multiply
    3,138,576.20x = 4,707,864.30 × 1,037,328.20
  4. Step 4: Simplify right side
    3,138,576.20x = 4,883,600,400,163.26
  5. Step 5: Solve for x
    x = 4,883,600,400,163.26/3,138,576.20
  6. Step 6: Final answer
    x = 1,555,992.30

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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.