Home / 3,619,673.44-4,995,209.52-1,988,231.76

Finding the Fourth Proportional to 3,619,673.44, 4,995,209.52 and 1,988,231.76

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Solution

The fourth proportional to 3,619,673.44, 4,995,209.52 and 1,988,231.76 is: 2,743,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,673.44 : 4,995,209.52 = 1,988,231.76 : x
  2. Step 2: Convert to fraction form
    3,619,673.44/4,995,209.52 = 1,988,231.76/x
  3. Step 3: Cross multiply
    3,619,673.44x = 4,995,209.52 × 1,988,231.76
  4. Step 4: Simplify right side
    3,619,673.44x = 9,931,634,215,518.35
  5. Step 5: Solve for x
    x = 9,931,634,215,518.35/3,619,673.44
  6. Step 6: Final answer
    x = 2,743,792.88

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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.