Home / 3,518,556.60-5,274,335.70-1,621,990.20

Finding the Fourth Proportional to 3,518,556.60, 5,274,335.70 and 1,621,990.20

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Solution

The fourth proportional to 3,518,556.60, 5,274,335.70 and 1,621,990.20 is: 2,431,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,556.60 : 5,274,335.70 = 1,621,990.20 : x
  2. Step 2: Convert to fraction form
    3,518,556.60/5,274,335.70 = 1,621,990.20/x
  3. Step 3: Cross multiply
    3,518,556.60x = 5,274,335.70 × 1,621,990.20
  4. Step 4: Simplify right side
    3,518,556.60x = 8,554,920,816,910.14
  5. Step 5: Solve for x
    x = 8,554,920,816,910.14/3,518,556.60
  6. Step 6: Final answer
    x = 2,431,372.23

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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.