Home / 3,878,604.72-5,809,975.56-3,161,502

Finding the Fourth Proportional to 3,878,604.72, 5,809,975.56 and 3,161,502

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Solution

The fourth proportional to 3,878,604.72, 5,809,975.56 and 3,161,502 is: 4,735,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,604.72 : 5,809,975.56 = 3,161,502 : x
  2. Step 2: Convert to fraction form
    3,878,604.72/5,809,975.56 = 3,161,502/x
  3. Step 3: Cross multiply
    3,878,604.72x = 5,809,975.56 × 3,161,502
  4. Step 4: Simplify right side
    3,878,604.72x = 18,368,249,352,891.12
  5. Step 5: Solve for x
    x = 18,368,249,352,891.12/3,878,604.72
  6. Step 6: Final answer
    x = 4,735,787.91

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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.