Home / 5,081,792.78-7,621,072.54-1,669,287.66

Finding the Fourth Proportional to 5,081,792.78, 7,621,072.54 and 1,669,287.66

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Solution

The fourth proportional to 5,081,792.78, 7,621,072.54 and 1,669,287.66 is: 2,503,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081,792.78 : 7,621,072.54 = 1,669,287.66 : x
  2. Step 2: Convert to fraction form
    5,081,792.78/7,621,072.54 = 1,669,287.66/x
  3. Step 3: Cross multiply
    5,081,792.78x = 7,621,072.54 × 1,669,287.66
  4. Step 4: Simplify right side
    5,081,792.78x = 12,721,762,383,232.29
  5. Step 5: Solve for x
    x = 12,721,762,383,232.29/5,081,792.78
  6. Step 6: Final answer
    x = 2,503,400.46

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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.