Home / 2,198,401.20-3,297,601.80-1,820,487.60

Finding the Fourth Proportional to 2,198,401.20, 3,297,601.80 and 1,820,487.60

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Solution

The fourth proportional to 2,198,401.20, 3,297,601.80 and 1,820,487.60 is: 2,730,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,401.20 : 3,297,601.80 = 1,820,487.60 : x
  2. Step 2: Convert to fraction form
    2,198,401.20/3,297,601.80 = 1,820,487.60/x
  3. Step 3: Cross multiply
    2,198,401.20x = 3,297,601.80 × 1,820,487.60
  4. Step 4: Simplify right side
    2,198,401.20x = 6,003,243,186,637.68
  5. Step 5: Solve for x
    x = 6,003,243,186,637.68/2,198,401.20
  6. Step 6: Final answer
    x = 2,730,731.40

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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.