Home / 3,479,080.80-5,218,621.20-2,058,405.60

Finding the Fourth Proportional to 3,479,080.80, 5,218,621.20 and 2,058,405.60

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Solution

The fourth proportional to 3,479,080.80, 5,218,621.20 and 2,058,405.60 is: 3,087,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,080.80 : 5,218,621.20 = 2,058,405.60 : x
  2. Step 2: Convert to fraction form
    3,479,080.80/5,218,621.20 = 2,058,405.60/x
  3. Step 3: Cross multiply
    3,479,080.80x = 5,218,621.20 × 2,058,405.60
  4. Step 4: Simplify right side
    3,479,080.80x = 10,742,039,102,358.72
  5. Step 5: Solve for x
    x = 10,742,039,102,358.72/3,479,080.80
  6. Step 6: Final answer
    x = 3,087,608.40

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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.