Home / 5,149,821.78-7,104,069.36-3,055,445.28

Finding the Fourth Proportional to 5,149,821.78, 7,104,069.36 and 3,055,445.28

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Solution

The fourth proportional to 5,149,821.78, 7,104,069.36 and 3,055,445.28 is: 4,214,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149,821.78 : 7,104,069.36 = 3,055,445.28 : x
  2. Step 2: Convert to fraction form
    5,149,821.78/7,104,069.36 = 3,055,445.28/x
  3. Step 3: Cross multiply
    5,149,821.78x = 7,104,069.36 × 3,055,445.28
  4. Step 4: Simplify right side
    5,149,821.78x = 21,706,095,194,804.62
  5. Step 5: Solve for x
    x = 21,706,095,194,804.62/5,149,821.78
  6. Step 6: Final answer
    x = 4,214,921.63

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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.