Home / 3,620,862.80-5,431,950.30-1,819,212.20

Finding the Fourth Proportional to 3,620,862.80, 5,431,950.30 and 1,819,212.20

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Solution

The fourth proportional to 3,620,862.80, 5,431,950.30 and 1,819,212.20 is: 2,729,147.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,862.80 : 5,431,950.30 = 1,819,212.20 : x
  2. Step 2: Convert to fraction form
    3,620,862.80/5,431,950.30 = 1,819,212.20/x
  3. Step 3: Cross multiply
    3,620,862.80x = 5,431,950.30 × 1,819,212.20
  4. Step 4: Simplify right side
    3,620,862.80x = 9,881,870,255,553.66
  5. Step 5: Solve for x
    x = 9,881,870,255,553.66/3,620,862.80
  6. Step 6: Final answer
    x = 2,729,147.94

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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.