Home / 5,557,331.36-7,669,440.48-3,109,921.28

Finding the Fourth Proportional to 5,557,331.36, 7,669,440.48 and 3,109,921.28

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Solution

The fourth proportional to 5,557,331.36, 7,669,440.48 and 3,109,921.28 is: 4,291,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557,331.36 : 7,669,440.48 = 3,109,921.28 : x
  2. Step 2: Convert to fraction form
    5,557,331.36/7,669,440.48 = 3,109,921.28/x
  3. Step 3: Cross multiply
    5,557,331.36x = 7,669,440.48 × 3,109,921.28
  4. Step 4: Simplify right side
    5,557,331.36x = 23,851,356,154,445.41
  5. Step 5: Solve for x
    x = 23,851,356,154,445.41/5,557,331.36
  6. Step 6: Final answer
    x = 4,291,872.23

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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.