Home / 2,889,932.88-3,988,107.72-1,600,856.76

Finding the Fourth Proportional to 2,889,932.88, 3,988,107.72 and 1,600,856.76

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Solution

The fourth proportional to 2,889,932.88, 3,988,107.72 and 1,600,856.76 is: 2,209,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,932.88 : 3,988,107.72 = 1,600,856.76 : x
  2. Step 2: Convert to fraction form
    2,889,932.88/3,988,107.72 = 1,600,856.76/x
  3. Step 3: Cross multiply
    2,889,932.88x = 3,988,107.72 × 1,600,856.76
  4. Step 4: Simplify right side
    2,889,932.88x = 6,384,389,203,170.19
  5. Step 5: Solve for x
    x = 6,384,389,203,170.19/2,889,932.88
  6. Step 6: Final answer
    x = 2,209,182.52

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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.