Home / 5,188,881.81-7,776,571.51-2,111,286.05

Finding the Fourth Proportional to 5,188,881.81, 7,776,571.51 and 2,111,286.05

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Solution

The fourth proportional to 5,188,881.81, 7,776,571.51 and 2,111,286.05 is: 3,164,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,881.81 : 7,776,571.51 = 2,111,286.05 : x
  2. Step 2: Convert to fraction form
    5,188,881.81/7,776,571.51 = 2,111,286.05/x
  3. Step 3: Cross multiply
    5,188,881.81x = 7,776,571.51 × 2,111,286.05
  4. Step 4: Simplify right side
    5,188,881.81x = 16,418,566,896,451.15
  5. Step 5: Solve for x
    x = 16,418,566,896,451.15/5,188,881.81
  6. Step 6: Final answer
    x = 3,164,182.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.