Home / 2,772,991.20-4,159,634.40-879,880.80

Finding the Fourth Proportional to 2,772,991.20, 4,159,634.40 and 879,880.80

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Solution

The fourth proportional to 2,772,991.20, 4,159,634.40 and 879,880.80 is: 1,319,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,991.20 : 4,159,634.40 = 879,880.80 : x
  2. Step 2: Convert to fraction form
    2,772,991.20/4,159,634.40 = 879,880.80/x
  3. Step 3: Cross multiply
    2,772,991.20x = 4,159,634.40 × 879,880.80
  4. Step 4: Simplify right side
    2,772,991.20x = 3,659,982,443,579.52
  5. Step 5: Solve for x
    x = 3,659,982,443,579.52/2,772,991.20
  6. Step 6: Final answer
    x = 1,319,868.03

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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.