Home / 3,872,662.52-5,344,421.73-2,153,907.32

Finding the Fourth Proportional to 3,872,662.52, 5,344,421.73 and 2,153,907.32

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Solution

The fourth proportional to 3,872,662.52, 5,344,421.73 and 2,153,907.32 is: 2,972,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,662.52 : 5,344,421.73 = 2,153,907.32 : x
  2. Step 2: Convert to fraction form
    3,872,662.52/5,344,421.73 = 2,153,907.32/x
  3. Step 3: Cross multiply
    3,872,662.52x = 5,344,421.73 × 2,153,907.32
  4. Step 4: Simplify right side
    3,872,662.52x = 11,511,389,085,414.06
  5. Step 5: Solve for x
    x = 11,511,389,085,414.06/3,872,662.52
  6. Step 6: Final answer
    x = 2,972,474.11

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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.