Home / 3,990,975.24-5,507,536.50-2,180,152.20

Finding the Fourth Proportional to 3,990,975.24, 5,507,536.50 and 2,180,152.20

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Solution

The fourth proportional to 3,990,975.24, 5,507,536.50 and 2,180,152.20 is: 3,008,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,975.24 : 5,507,536.50 = 2,180,152.20 : x
  2. Step 2: Convert to fraction form
    3,990,975.24/5,507,536.50 = 2,180,152.20/x
  3. Step 3: Cross multiply
    3,990,975.24x = 5,507,536.50 × 2,180,152.20
  4. Step 4: Simplify right side
    3,990,975.24x = 12,007,267,817,055.30
  5. Step 5: Solve for x
    x = 12,007,267,817,055.30/3,990,975.24
  6. Step 6: Final answer
    x = 3,008,604.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.