Home / 2,195,328.60-3,286,772.10-1,971,379.80

Finding the Fourth Proportional to 2,195,328.60, 3,286,772.10 and 1,971,379.80

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Solution

The fourth proportional to 2,195,328.60, 3,286,772.10 and 1,971,379.80 is: 2,951,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,328.60 : 3,286,772.10 = 1,971,379.80 : x
  2. Step 2: Convert to fraction form
    2,195,328.60/3,286,772.10 = 1,971,379.80/x
  3. Step 3: Cross multiply
    2,195,328.60x = 3,286,772.10 × 1,971,379.80
  4. Step 4: Simplify right side
    2,195,328.60x = 6,479,476,125,143.58
  5. Step 5: Solve for x
    x = 6,479,476,125,143.58/2,195,328.60
  6. Step 6: Final answer
    x = 2,951,483.49

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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.