Home / 3,638,816.32-5,021,571.36-2,007,186.88

Finding the Fourth Proportional to 3,638,816.32, 5,021,571.36 and 2,007,186.88

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Solution

The fourth proportional to 3,638,816.32, 5,021,571.36 and 2,007,186.88 is: 2,769,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,816.32 : 5,021,571.36 = 2,007,186.88 : x
  2. Step 2: Convert to fraction form
    3,638,816.32/5,021,571.36 = 2,007,186.88/x
  3. Step 3: Cross multiply
    3,638,816.32x = 5,021,571.36 × 2,007,186.88
  4. Step 4: Simplify right side
    3,638,816.32x = 10,079,232,150,775.76
  5. Step 5: Solve for x
    x = 10,079,232,150,775.76/3,638,816.32
  6. Step 6: Final answer
    x = 2,769,920.56

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1.5x scale

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.