Home / 2,165,631.40-3,239,231.10-1,942,604.20

Finding the Fourth Proportional to 2,165,631.40, 3,239,231.10 and 1,942,604.20

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Solution

The fourth proportional to 2,165,631.40, 3,239,231.10 and 1,942,604.20 is: 2,905,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,631.40 : 3,239,231.10 = 1,942,604.20 : x
  2. Step 2: Convert to fraction form
    2,165,631.40/3,239,231.10 = 1,942,604.20/x
  3. Step 3: Cross multiply
    2,165,631.40x = 3,239,231.10 × 1,942,604.20
  4. Step 4: Simplify right side
    2,165,631.40x = 6,292,543,939,630.62
  5. Step 5: Solve for x
    x = 6,292,543,939,630.62/2,165,631.40
  6. Step 6: Final answer
    x = 2,905,639.41

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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.