Home / 2,772,993.20-4,159,637.40-879,882.80

Finding the Fourth Proportional to 2,772,993.20, 4,159,637.40 and 879,882.80

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Solution

The fourth proportional to 2,772,993.20, 4,159,637.40 and 879,882.80 is: 1,319,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,993.20 : 4,159,637.40 = 879,882.80 : x
  2. Step 2: Convert to fraction form
    2,772,993.20/4,159,637.40 = 879,882.80/x
  3. Step 3: Cross multiply
    2,772,993.20x = 4,159,637.40 × 879,882.80
  4. Step 4: Simplify right side
    2,772,993.20x = 3,659,993,402,496.72
  5. Step 5: Solve for x
    x = 3,659,993,402,496.72/2,772,993.20
  6. Step 6: Final answer
    x = 1,319,871.03

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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.