Home / 5,278,965.84-7,918,808.20-1,685,003.33

Finding the Fourth Proportional to 5,278,965.84, 7,918,808.20 and 1,685,003.33

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Solution

The fourth proportional to 5,278,965.84, 7,918,808.20 and 1,685,003.33 is: 2,527,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,965.84 : 7,918,808.20 = 1,685,003.33 : x
  2. Step 2: Convert to fraction form
    5,278,965.84/7,918,808.20 = 1,685,003.33/x
  3. Step 3: Cross multiply
    5,278,965.84x = 7,918,808.20 × 1,685,003.33
  4. Step 4: Simplify right side
    5,278,965.84x = 13,343,218,202,215.82
  5. Step 5: Solve for x
    x = 13,343,218,202,215.82/5,278,965.84
  6. Step 6: Final answer
    x = 2,527,619.73

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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.