Home / 2,210,905.24-3,311,043.34-1,261,397.32

Finding the Fourth Proportional to 2,210,905.24, 3,311,043.34 and 1,261,397.32

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Solution

The fourth proportional to 2,210,905.24, 3,311,043.34 and 1,261,397.32 is: 1,889,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210,905.24 : 3,311,043.34 = 1,261,397.32 : x
  2. Step 2: Convert to fraction form
    2,210,905.24/3,311,043.34 = 1,261,397.32/x
  3. Step 3: Cross multiply
    2,210,905.24x = 3,311,043.34 × 1,261,397.32
  4. Step 4: Simplify right side
    2,210,905.24x = 4,176,541,195,479.85
  5. Step 5: Solve for x
    x = 4,176,541,195,479.85/2,210,905.24
  6. Step 6: Final answer
    x = 1,889,063.86

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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.