Home / 5,215,662.88-7,821,976.56-2,020,076.32

Finding the Fourth Proportional to 5,215,662.88, 7,821,976.56 and 2,020,076.32

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Solution

The fourth proportional to 5,215,662.88, 7,821,976.56 and 2,020,076.32 is: 3,029,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,662.88 : 7,821,976.56 = 2,020,076.32 : x
  2. Step 2: Convert to fraction form
    5,215,662.88/7,821,976.56 = 2,020,076.32/x
  3. Step 3: Cross multiply
    5,215,662.88x = 7,821,976.56 × 2,020,076.32
  4. Step 4: Simplify right side
    5,215,662.88x = 15,800,989,624,451.06
  5. Step 5: Solve for x
    x = 15,800,989,624,451.06/5,215,662.88
  6. Step 6: Final answer
    x = 3,029,526.64

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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.