Home / 2,138,440.95-2,951,023.88-1,158,361.27

Finding the Fourth Proportional to 2,138,440.95, 2,951,023.88 and 1,158,361.27

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Solution

The fourth proportional to 2,138,440.95, 2,951,023.88 and 1,158,361.27 is: 1,598,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,440.95 : 2,951,023.88 = 1,158,361.27 : x
  2. Step 2: Convert to fraction form
    2,138,440.95/2,951,023.88 = 1,158,361.27/x
  3. Step 3: Cross multiply
    2,138,440.95x = 2,951,023.88 × 1,158,361.27
  4. Step 4: Simplify right side
    2,138,440.95x = 3,418,351,764,955.47
  5. Step 5: Solve for x
    x = 3,418,351,764,955.47/2,138,440.95
  6. Step 6: Final answer
    x = 1,598,525.21

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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.