Home / 5,263,803.88-7,896,458.07-1,620,841.43

Finding the Fourth Proportional to 5,263,803.88, 7,896,458.07 and 1,620,841.43

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Solution

The fourth proportional to 5,263,803.88, 7,896,458.07 and 1,620,841.43 is: 2,431,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263,803.88 : 7,896,458.07 = 1,620,841.43 : x
  2. Step 2: Convert to fraction form
    5,263,803.88/7,896,458.07 = 1,620,841.43/x
  3. Step 3: Cross multiply
    5,263,803.88x = 7,896,458.07 × 1,620,841.43
  4. Step 4: Simplify right side
    5,263,803.88x = 12,798,906,409,854.99
  5. Step 5: Solve for x
    x = 12,798,906,409,854.99/5,263,803.88
  6. Step 6: Final answer
    x = 2,431,493.78

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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.