Home / 2,972,182.20-4,102,867.04-2,006,620.36

Finding the Fourth Proportional to 2,972,182.20, 4,102,867.04 and 2,006,620.36

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Solution

The fourth proportional to 2,972,182.20, 4,102,867.04 and 2,006,620.36 is: 2,769,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,182.20 : 4,102,867.04 = 2,006,620.36 : x
  2. Step 2: Convert to fraction form
    2,972,182.20/4,102,867.04 = 2,006,620.36/x
  3. Step 3: Cross multiply
    2,972,182.20x = 4,102,867.04 × 2,006,620.36
  4. Step 4: Simplify right side
    2,972,182.20x = 8,232,896,536,836.94
  5. Step 5: Solve for x
    x = 8,232,896,536,836.94/2,972,182.20
  6. Step 6: Final answer
    x = 2,769,983.80

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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.