Home / 2,078,199.20-3,115,570.80-881,040.80

Finding the Fourth Proportional to 2,078,199.20, 3,115,570.80 and 881,040.80

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Solution

The fourth proportional to 2,078,199.20, 3,115,570.80 and 881,040.80 is: 1,320,828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,199.20 : 3,115,570.80 = 881,040.80 : x
  2. Step 2: Convert to fraction form
    2,078,199.20/3,115,570.80 = 881,040.80/x
  3. Step 3: Cross multiply
    2,078,199.20x = 3,115,570.80 × 881,040.80
  4. Step 4: Simplify right side
    2,078,199.20x = 2,744,944,990,088.64
  5. Step 5: Solve for x
    x = 2,744,944,990,088.64/2,078,199.20
  6. Step 6: Final answer
    x = 1,320,828.62

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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.