Home / 2,749,243.22-4,124,458.05-829,995.20

Finding the Fourth Proportional to 2,749,243.22, 4,124,458.05 and 829,995.20

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Solution

The fourth proportional to 2,749,243.22, 4,124,458.05 and 829,995.20 is: 1,245,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,243.22 : 4,124,458.05 = 829,995.20 : x
  2. Step 2: Convert to fraction form
    2,749,243.22/4,124,458.05 = 829,995.20/x
  3. Step 3: Cross multiply
    2,749,243.22x = 4,124,458.05 × 829,995.20
  4. Step 4: Simplify right side
    2,749,243.22x = 3,423,280,384,101.36
  5. Step 5: Solve for x
    x = 3,423,280,384,101.36/2,749,243.22
  6. Step 6: Final answer
    x = 1,245,171.89

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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.