Home / 3,289,233.39-4,538,911.64-1,912,479.42

Finding the Fourth Proportional to 3,289,233.39, 4,538,911.64 and 1,912,479.42

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Solution

The fourth proportional to 3,289,233.39, 4,538,911.64 and 1,912,479.42 is: 2,639,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,233.39 : 4,538,911.64 = 1,912,479.42 : x
  2. Step 2: Convert to fraction form
    3,289,233.39/4,538,911.64 = 1,912,479.42/x
  3. Step 3: Cross multiply
    3,289,233.39x = 4,538,911.64 × 1,912,479.42
  4. Step 4: Simplify right side
    3,289,233.39x = 8,680,575,098,307.85
  5. Step 5: Solve for x
    x = 8,680,575,098,307.85/3,289,233.39
  6. Step 6: Final answer
    x = 2,639,087.61

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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.