Home / 3,456,772.52-4,769,633.88-1,986,396.80

Finding the Fourth Proportional to 3,456,772.52, 4,769,633.88 and 1,986,396.80

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Solution

The fourth proportional to 3,456,772.52, 4,769,633.88 and 1,986,396.80 is: 2,740,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,772.52 : 4,769,633.88 = 1,986,396.80 : x
  2. Step 2: Convert to fraction form
    3,456,772.52/4,769,633.88 = 1,986,396.80/x
  3. Step 3: Cross multiply
    3,456,772.52x = 4,769,633.88 × 1,986,396.80
  4. Step 4: Simplify right side
    3,456,772.52x = 9,474,385,476,403.58
  5. Step 5: Solve for x
    x = 9,474,385,476,403.58/3,456,772.52
  6. Step 6: Final answer
    x = 2,740,818.33

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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.