Home / 2,210,890.37-3,311,021.07-1,261,382.45

Finding the Fourth Proportional to 2,210,890.37, 3,311,021.07 and 1,261,382.45

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Solution

The fourth proportional to 2,210,890.37, 3,311,021.07 and 1,261,382.45 is: 1,889,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210,890.37 : 3,311,021.07 = 1,261,382.45 : x
  2. Step 2: Convert to fraction form
    2,210,890.37/3,311,021.07 = 1,261,382.45/x
  3. Step 3: Cross multiply
    2,210,890.37x = 3,311,021.07 × 1,261,382.45
  4. Step 4: Simplify right side
    2,210,890.37x = 4,176,463,852,723.12
  5. Step 5: Solve for x
    x = 4,176,463,852,723.12/2,210,890.37
  6. Step 6: Final answer
    x = 1,889,041.59

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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.