Home / 2,078,168.20-3,115,524.30-881,009.80

Finding the Fourth Proportional to 2,078,168.20, 3,115,524.30 and 881,009.80

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Solution

The fourth proportional to 2,078,168.20, 3,115,524.30 and 881,009.80 is: 1,320,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,168.20 : 3,115,524.30 = 881,009.80 : x
  2. Step 2: Convert to fraction form
    2,078,168.20/3,115,524.30 = 881,009.80/x
  3. Step 3: Cross multiply
    2,078,168.20x = 3,115,524.30 × 881,009.80
  4. Step 4: Simplify right side
    2,078,168.20x = 2,744,807,440,438.14
  5. Step 5: Solve for x
    x = 2,744,807,440,438.14/2,078,168.20
  6. Step 6: Final answer
    x = 1,320,782.14

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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.