Home / 3,907,129.13-5,391,766.83-2,164,792.16

Finding the Fourth Proportional to 3,907,129.13, 5,391,766.83 and 2,164,792.16

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Solution

The fourth proportional to 3,907,129.13, 5,391,766.83 and 2,164,792.16 is: 2,987,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,129.13 : 5,391,766.83 = 2,164,792.16 : x
  2. Step 2: Convert to fraction form
    3,907,129.13/5,391,766.83 = 2,164,792.16/x
  3. Step 3: Cross multiply
    3,907,129.13x = 5,391,766.83 × 2,164,792.16
  4. Step 4: Simplify right side
    3,907,129.13x = 11,672,054,562,132.05
  5. Step 5: Solve for x
    x = 11,672,054,562,132.05/3,907,129.13
  6. Step 6: Final answer
    x = 2,987,373.64

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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.