Home / 2,889,414.80-3,987,343.68-1,600,309.52

Finding the Fourth Proportional to 2,889,414.80, 3,987,343.68 and 1,600,309.52

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Solution

The fourth proportional to 2,889,414.80, 3,987,343.68 and 1,600,309.52 is: 2,208,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,414.80 : 3,987,343.68 = 1,600,309.52 : x
  2. Step 2: Convert to fraction form
    2,889,414.80/3,987,343.68 = 1,600,309.52/x
  3. Step 3: Cross multiply
    2,889,414.80x = 3,987,343.68 × 1,600,309.52
  4. Step 4: Simplify right side
    2,889,414.80x = 6,380,984,050,615.83
  5. Step 5: Solve for x
    x = 6,380,984,050,615.83/2,889,414.80
  6. Step 6: Final answer
    x = 2,208,400.14

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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.