Home / 2,775,891.20-4,163,836.80-674,643.20

Finding the Fourth Proportional to 2,775,891.20, 4,163,836.80 and 674,643.20

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Solution

The fourth proportional to 2,775,891.20, 4,163,836.80 and 674,643.20 is: 1,011,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,891.20 : 4,163,836.80 = 674,643.20 : x
  2. Step 2: Convert to fraction form
    2,775,891.20/4,163,836.80 = 674,643.20/x
  3. Step 3: Cross multiply
    2,775,891.20x = 4,163,836.80 × 674,643.20
  4. Step 4: Simplify right side
    2,775,891.20x = 2,809,104,183,029.76
  5. Step 5: Solve for x
    x = 2,809,104,183,029.76/2,775,891.20
  6. Step 6: Final answer
    x = 1,011,964.80

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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.