Home / 1,916,601.98-2,644,864.38-1,057,143.80

Finding the Fourth Proportional to 1,916,601.98, 2,644,864.38 and 1,057,143.80

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Solution

The fourth proportional to 1,916,601.98, 2,644,864.38 and 1,057,143.80 is: 1,458,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,601.98 : 2,644,864.38 = 1,057,143.80 : x
  2. Step 2: Convert to fraction form
    1,916,601.98/2,644,864.38 = 1,057,143.80/x
  3. Step 3: Cross multiply
    1,916,601.98x = 2,644,864.38 × 1,057,143.80
  4. Step 4: Simplify right side
    1,916,601.98x = 2,796,001,981,157.84
  5. Step 5: Solve for x
    x = 2,796,001,981,157.84/1,916,601.98
  6. Step 6: Final answer
    x = 1,458,832.88

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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.