Home / 3,126,621.51-4,311,311.34-2,036,872.22

Finding the Fourth Proportional to 3,126,621.51, 4,311,311.34 and 2,036,872.22

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Solution

The fourth proportional to 3,126,621.51, 4,311,311.34 and 2,036,872.22 is: 2,808,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,621.51 : 4,311,311.34 = 2,036,872.22 : x
  2. Step 2: Convert to fraction form
    3,126,621.51/4,311,311.34 = 2,036,872.22/x
  3. Step 3: Cross multiply
    3,126,621.51x = 4,311,311.34 × 2,036,872.22
  4. Step 4: Simplify right side
    3,126,621.51x = 8,781,590,278,660.42
  5. Step 5: Solve for x
    x = 8,781,590,278,660.42/3,126,621.51
  6. Step 6: Final answer
    x = 2,808,651.53

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1.5x scale

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.