Home / 2,880,847.62-4,321,178.48-859,108.28

Finding the Fourth Proportional to 2,880,847.62, 4,321,178.48 and 859,108.28

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Solution

The fourth proportional to 2,880,847.62, 4,321,178.48 and 859,108.28 is: 1,288,634.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,847.62 : 4,321,178.48 = 859,108.28 : x
  2. Step 2: Convert to fraction form
    2,880,847.62/4,321,178.48 = 859,108.28/x
  3. Step 3: Cross multiply
    2,880,847.62x = 4,321,178.48 × 859,108.28
  4. Step 4: Simplify right side
    2,880,847.62x = 3,712,360,192,067.69
  5. Step 5: Solve for x
    x = 3,712,360,192,067.69/2,880,847.62
  6. Step 6: Final answer
    x = 1,288,634.69

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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.