Home / 3,620,020.68-4,995,407.70-1,988,110.44

Finding the Fourth Proportional to 3,620,020.68, 4,995,407.70 and 1,988,110.44

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Solution

The fourth proportional to 3,620,020.68, 4,995,407.70 and 1,988,110.44 is: 2,743,471.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,020.68 : 4,995,407.70 = 1,988,110.44 : x
  2. Step 2: Convert to fraction form
    3,620,020.68/4,995,407.70 = 1,988,110.44/x
  3. Step 3: Cross multiply
    3,620,020.68x = 4,995,407.70 × 1,988,110.44
  4. Step 4: Simplify right side
    3,620,020.68x = 9,931,422,200,426.39
  5. Step 5: Solve for x
    x = 9,931,422,200,426.39/3,620,020.68
  6. Step 6: Final answer
    x = 2,743,471.12

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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.