Home / 2,229,829.80-3,077,113.49-1,299,478.24

Finding the Fourth Proportional to 2,229,829.80, 3,077,113.49 and 1,299,478.24

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Solution

The fourth proportional to 2,229,829.80, 3,077,113.49 and 1,299,478.24 is: 1,793,249.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,829.80 : 3,077,113.49 = 1,299,478.24 : x
  2. Step 2: Convert to fraction form
    2,229,829.80/3,077,113.49 = 1,299,478.24/x
  3. Step 3: Cross multiply
    2,229,829.80x = 3,077,113.49 × 1,299,478.24
  4. Step 4: Simplify right side
    2,229,829.80x = 3,998,642,015,768.07
  5. Step 5: Solve for x
    x = 3,998,642,015,768.07/2,229,829.80
  6. Step 6: Final answer
    x = 1,793,249.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.