Home / 3,763,639.59-5,192,678.39-2,131,787.67

Finding the Fourth Proportional to 3,763,639.59, 5,192,678.39 and 2,131,787.67

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Solution

The fourth proportional to 3,763,639.59, 5,192,678.39 and 2,131,787.67 is: 2,941,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763,639.59 : 5,192,678.39 = 2,131,787.67 : x
  2. Step 2: Convert to fraction form
    3,763,639.59/5,192,678.39 = 2,131,787.67/x
  3. Step 3: Cross multiply
    3,763,639.59x = 5,192,678.39 × 2,131,787.67
  4. Step 4: Simplify right side
    3,763,639.59x = 11,069,687,766,077.45
  5. Step 5: Solve for x
    x = 11,069,687,766,077.45/3,763,639.59
  6. Step 6: Final answer
    x = 2,941,218.87

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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.