Home / 1,998,269.46-2,757,640.89-1,127,145.66

Finding the Fourth Proportional to 1,998,269.46, 2,757,640.89 and 1,127,145.66

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Solution

The fourth proportional to 1,998,269.46, 2,757,640.89 and 1,127,145.66 is: 1,555,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,269.46 : 2,757,640.89 = 1,127,145.66 : x
  2. Step 2: Convert to fraction form
    1,998,269.46/2,757,640.89 = 1,127,145.66/x
  3. Step 3: Cross multiply
    1,998,269.46x = 2,757,640.89 × 1,127,145.66
  4. Step 4: Simplify right side
    1,998,269.46x = 3,108,262,961,002.04
  5. Step 5: Solve for x
    x = 3,108,262,961,002.04/1,998,269.46
  6. Step 6: Final answer
    x = 1,555,477.39

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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.