Home / 2,109,202.78-2,910,685.38-1,142,311

Finding the Fourth Proportional to 2,109,202.78, 2,910,685.38 and 1,142,311

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Solution

The fourth proportional to 2,109,202.78, 2,910,685.38 and 1,142,311 is: 1,576,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,202.78 : 2,910,685.38 = 1,142,311 : x
  2. Step 2: Convert to fraction form
    2,109,202.78/2,910,685.38 = 1,142,311/x
  3. Step 3: Cross multiply
    2,109,202.78x = 2,910,685.38 × 1,142,311
  4. Step 4: Simplify right side
    2,109,202.78x = 3,324,907,927,113.18
  5. Step 5: Solve for x
    x = 3,324,907,927,113.18/2,109,202.78
  6. Step 6: Final answer
    x = 1,576,381.35

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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.