Home / 3,882,742.76-5,824,409-1,323,162.20

Finding the Fourth Proportional to 3,882,742.76, 5,824,409 and 1,323,162.20

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Solution

The fourth proportional to 3,882,742.76, 5,824,409 and 1,323,162.20 is: 1,984,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882,742.76 : 5,824,409 = 1,323,162.20 : x
  2. Step 2: Convert to fraction form
    3,882,742.76/5,824,409 = 1,323,162.20/x
  3. Step 3: Cross multiply
    3,882,742.76x = 5,824,409 × 1,323,162.20
  4. Step 4: Simplify right side
    3,882,742.76x = 7,706,637,826,139.80
  5. Step 5: Solve for x
    x = 7,706,637,826,139.80/3,882,742.76
  6. Step 6: Final answer
    x = 1,984,843.78

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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.