Home / 2,311,843.80-3,467,765.70-815,741.40

Finding the Fourth Proportional to 2,311,843.80, 3,467,765.70 and 815,741.40

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Solution

The fourth proportional to 2,311,843.80, 3,467,765.70 and 815,741.40 is: 1,223,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,843.80 : 3,467,765.70 = 815,741.40 : x
  2. Step 2: Convert to fraction form
    2,311,843.80/3,467,765.70 = 815,741.40/x
  3. Step 3: Cross multiply
    2,311,843.80x = 3,467,765.70 × 815,741.40
  4. Step 4: Simplify right side
    2,311,843.80x = 2,828,800,046,989.98
  5. Step 5: Solve for x
    x = 2,828,800,046,989.98/2,311,843.80
  6. Step 6: Final answer
    x = 1,223,612.10

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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.