Home / 2,540,291.95-3,505,606.20-1,378,738.15

Finding the Fourth Proportional to 2,540,291.95, 3,505,606.20 and 1,378,738.15

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Solution

The fourth proportional to 2,540,291.95, 3,505,606.20 and 1,378,738.15 is: 1,902,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,291.95 : 3,505,606.20 = 1,378,738.15 : x
  2. Step 2: Convert to fraction form
    2,540,291.95/3,505,606.20 = 1,378,738.15/x
  3. Step 3: Cross multiply
    2,540,291.95x = 3,505,606.20 × 1,378,738.15
  4. Step 4: Simplify right side
    2,540,291.95x = 4,833,313,006,816.53
  5. Step 5: Solve for x
    x = 4,833,313,006,816.53/2,540,291.95
  6. Step 6: Final answer
    x = 1,902,660.44

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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.