Home / 3,479,101.20-5,209,794.45-3,319,668.90

Finding the Fourth Proportional to 3,479,101.20, 5,209,794.45 and 3,319,668.90

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Solution

The fourth proportional to 3,479,101.20, 5,209,794.45 and 3,319,668.90 is: 4,971,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,101.20 : 5,209,794.45 = 3,319,668.90 : x
  2. Step 2: Convert to fraction form
    3,479,101.20/5,209,794.45 = 3,319,668.90/x
  3. Step 3: Cross multiply
    3,479,101.20x = 5,209,794.45 × 3,319,668.90
  4. Step 4: Simplify right side
    3,479,101.20x = 17,294,792,611,057.61
  5. Step 5: Solve for x
    x = 17,294,792,611,057.61/3,479,101.20
  6. Step 6: Final answer
    x = 4,971,051.89

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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.