Home / 5,979,313.76-8,963,637.60-2,191,912.56

Finding the Fourth Proportional to 5,979,313.76, 8,963,637.60 and 2,191,912.56

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Solution

The fourth proportional to 5,979,313.76, 8,963,637.60 and 2,191,912.56 is: 3,285,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979,313.76 : 8,963,637.60 = 2,191,912.56 : x
  2. Step 2: Convert to fraction form
    5,979,313.76/8,963,637.60 = 2,191,912.56/x
  3. Step 3: Cross multiply
    5,979,313.76x = 8,963,637.60 × 2,191,912.56
  4. Step 4: Simplify right side
    5,979,313.76x = 19,647,509,838,728.25
  5. Step 5: Solve for x
    x = 19,647,509,838,728.25/5,979,313.76
  6. Step 6: Final answer
    x = 3,285,913.84

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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.