Home / 6,822,451.39-9,415,808.53-3,882,983.21

Finding the Fourth Proportional to 6,822,451.39, 9,415,808.53 and 3,882,983.21

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Solution

The fourth proportional to 6,822,451.39, 9,415,808.53 and 3,882,983.21 is: 5,358,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822,451.39 : 9,415,808.53 = 3,882,983.21 : x
  2. Step 2: Convert to fraction form
    6,822,451.39/9,415,808.53 = 3,882,983.21/x
  3. Step 3: Cross multiply
    6,822,451.39x = 9,415,808.53 × 3,882,983.21
  4. Step 4: Simplify right side
    6,822,451.39x = 36,561,426,409,087.56
  5. Step 5: Solve for x
    x = 36,561,426,409,087.56/6,822,451.39
  6. Step 6: Final answer
    x = 5,358,986.72

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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.