Home / 3,669,981.20-5,504,971.80-1,649,193.20

Finding the Fourth Proportional to 3,669,981.20, 5,504,971.80 and 1,649,193.20

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Solution

The fourth proportional to 3,669,981.20, 5,504,971.80 and 1,649,193.20 is: 2,473,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,981.20 : 5,504,971.80 = 1,649,193.20 : x
  2. Step 2: Convert to fraction form
    3,669,981.20/5,504,971.80 = 1,649,193.20/x
  3. Step 3: Cross multiply
    3,669,981.20x = 5,504,971.80 × 1,649,193.20
  4. Step 4: Simplify right side
    3,669,981.20x = 9,078,762,058,751.76
  5. Step 5: Solve for x
    x = 9,078,762,058,751.76/3,669,981.20
  6. Step 6: Final answer
    x = 2,473,789.80

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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.