Home / 3,872,796.72-5,344,648.74-2,153,880.32

Finding the Fourth Proportional to 3,872,796.72, 5,344,648.74 and 2,153,880.32

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Solution

The fourth proportional to 3,872,796.72, 5,344,648.74 and 2,153,880.32 is: 2,972,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,796.72 : 5,344,648.74 = 2,153,880.32 : x
  2. Step 2: Convert to fraction form
    3,872,796.72/5,344,648.74 = 2,153,880.32/x
  3. Step 3: Cross multiply
    3,872,796.72x = 5,344,648.74 × 2,153,880.32
  4. Step 4: Simplify right side
    3,872,796.72x = 11,511,733,738,398.80
  5. Step 5: Solve for x
    x = 11,511,733,738,398.80/3,872,796.72
  6. Step 6: Final answer
    x = 2,972,460.10

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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.