Home / 7,873,891-10,865,969.72-4,252,219

Finding the Fourth Proportional to 7,873,891, 10,865,969.72 and 4,252,219

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Solution

The fourth proportional to 7,873,891, 10,865,969.72 and 4,252,219 is: 5,868,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,891 : 10,865,969.72 = 4,252,219 : x
  2. Step 2: Convert to fraction form
    7,873,891/10,865,969.72 = 4,252,219/x
  3. Step 3: Cross multiply
    7,873,891x = 10,865,969.72 × 4,252,219
  4. Step 4: Simplify right side
    7,873,891x = 46,204,482,896,808.68
  5. Step 5: Solve for x
    x = 46,204,482,896,808.68/7,873,891
  6. Step 6: Final answer
    x = 5,868,062.30

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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.