Home / 2,084,760.54-2,878,765.11-1,311,680.34

Finding the Fourth Proportional to 2,084,760.54, 2,878,765.11 and 1,311,680.34

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Solution

The fourth proportional to 2,084,760.54, 2,878,765.11 and 1,311,680.34 is: 1,811,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,760.54 : 2,878,765.11 = 1,311,680.34 : x
  2. Step 2: Convert to fraction form
    2,084,760.54/2,878,765.11 = 1,311,680.34/x
  3. Step 3: Cross multiply
    2,084,760.54x = 2,878,765.11 × 1,311,680.34
  4. Step 4: Simplify right side
    2,084,760.54x = 3,776,019,598,264.94
  5. Step 5: Solve for x
    x = 3,776,019,598,264.94/2,084,760.54
  6. Step 6: Final answer
    x = 1,811,248.59

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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.