Home / 1,418,120.92-1,957,729.56-1,095,105.88

Finding the Fourth Proportional to 1,418,120.92, 1,957,729.56 and 1,095,105.88

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Solution

The fourth proportional to 1,418,120.92, 1,957,729.56 and 1,095,105.88 is: 1,511,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,120.92 : 1,957,729.56 = 1,095,105.88 : x
  2. Step 2: Convert to fraction form
    1,418,120.92/1,957,729.56 = 1,095,105.88/x
  3. Step 3: Cross multiply
    1,418,120.92x = 1,957,729.56 × 1,095,105.88
  4. Step 4: Simplify right side
    1,418,120.92x = 2,143,921,152,605.81
  5. Step 5: Solve for x
    x = 2,143,921,152,605.81/1,418,120.92
  6. Step 6: Final answer
    x = 1,511,804.19

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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.