Home / 2,906,571.20-4,011,015.11-1,617,400.31

Finding the Fourth Proportional to 2,906,571.20, 4,011,015.11 and 1,617,400.31

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Solution

The fourth proportional to 2,906,571.20, 4,011,015.11 and 1,617,400.31 is: 2,231,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906,571.20 : 4,011,015.11 = 1,617,400.31 : x
  2. Step 2: Convert to fraction form
    2,906,571.20/4,011,015.11 = 1,617,400.31/x
  3. Step 3: Cross multiply
    2,906,571.20x = 4,011,015.11 × 1,617,400.31
  4. Step 4: Simplify right side
    2,906,571.20x = 6,487,417,054,186.61
  5. Step 5: Solve for x
    x = 6,487,417,054,186.61/2,906,571.20
  6. Step 6: Final answer
    x = 2,231,982.85

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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.