Home / 3,421,772.80-4,722,265.68-1,971,441.88

Finding the Fourth Proportional to 3,421,772.80, 4,722,265.68 and 1,971,441.88

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Solution

The fourth proportional to 3,421,772.80, 4,722,265.68 and 1,971,441.88 is: 2,720,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,772.80 : 4,722,265.68 = 1,971,441.88 : x
  2. Step 2: Convert to fraction form
    3,421,772.80/4,722,265.68 = 1,971,441.88/x
  3. Step 3: Cross multiply
    3,421,772.80x = 4,722,265.68 × 1,971,441.88
  4. Step 4: Simplify right side
    3,421,772.80x = 9,309,672,330,038.68
  5. Step 5: Solve for x
    x = 9,309,672,330,038.68/3,421,772.80
  6. Step 6: Final answer
    x = 2,720,716.09

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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.