Home / 2,749,239.72-4,124,452.80-829,991.70

Finding the Fourth Proportional to 2,749,239.72, 4,124,452.80 and 829,991.70

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Solution

The fourth proportional to 2,749,239.72, 4,124,452.80 and 829,991.70 is: 1,245,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,239.72 : 4,124,452.80 = 829,991.70 : x
  2. Step 2: Convert to fraction form
    2,749,239.72/4,124,452.80 = 829,991.70/x
  3. Step 3: Cross multiply
    2,749,239.72x = 4,124,452.80 × 829,991.70
  4. Step 4: Simplify right side
    2,749,239.72x = 3,423,261,591,041.76
  5. Step 5: Solve for x
    x = 3,423,261,591,041.76/2,749,239.72
  6. Step 6: Final answer
    x = 1,245,166.64

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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.