Home / 1,916,721.80-2,872,640.55-1,018,593.80

Finding the Fourth Proportional to 1,916,721.80, 2,872,640.55 and 1,018,593.80

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Solution

The fourth proportional to 1,916,721.80, 2,872,640.55 and 1,018,593.80 is: 1,526,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,721.80 : 2,872,640.55 = 1,018,593.80 : x
  2. Step 2: Convert to fraction form
    1,916,721.80/2,872,640.55 = 1,018,593.80/x
  3. Step 3: Cross multiply
    1,916,721.80x = 2,872,640.55 × 1,018,593.80
  4. Step 4: Simplify right side
    1,916,721.80x = 2,926,053,853,858.59
  5. Step 5: Solve for x
    x = 2,926,053,853,858.59/1,916,721.80
  6. Step 6: Final answer
    x = 1,526,592.88

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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.