Home / 3,457,981.80-5,186,972.70-2,201,380.20

Finding the Fourth Proportional to 3,457,981.80, 5,186,972.70 and 2,201,380.20

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Solution

The fourth proportional to 3,457,981.80, 5,186,972.70 and 2,201,380.20 is: 3,302,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457,981.80 : 5,186,972.70 = 2,201,380.20 : x
  2. Step 2: Convert to fraction form
    3,457,981.80/5,186,972.70 = 2,201,380.20/x
  3. Step 3: Cross multiply
    3,457,981.80x = 5,186,972.70 × 2,201,380.20
  4. Step 4: Simplify right side
    3,457,981.80x = 11,418,498,999,720.54
  5. Step 5: Solve for x
    x = 11,418,498,999,720.54/3,457,981.80
  6. Step 6: Final answer
    x = 3,302,070.30

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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.