Home / 2,151,711.75-2,969,362.21-1,184,839.74

Finding the Fourth Proportional to 2,151,711.75, 2,969,362.21 and 1,184,839.74

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Solution

The fourth proportional to 2,151,711.75, 2,969,362.21 and 1,184,839.74 is: 1,635,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,711.75 : 2,969,362.21 = 1,184,839.74 : x
  2. Step 2: Convert to fraction form
    2,151,711.75/2,969,362.21 = 1,184,839.74/x
  3. Step 3: Cross multiply
    2,151,711.75x = 2,969,362.21 × 1,184,839.74
  4. Step 4: Simplify right side
    2,151,711.75x = 3,518,218,334,015.41
  5. Step 5: Solve for x
    x = 3,518,218,334,015.41/2,151,711.75
  6. Step 6: Final answer
    x = 1,635,078.83

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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.