Home / 2,128,134.33-2,936,832.93-1,161,285.93

Finding the Fourth Proportional to 2,128,134.33, 2,936,832.93 and 1,161,285.93

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Solution

The fourth proportional to 2,128,134.33, 2,936,832.93 and 1,161,285.93 is: 1,602,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,134.33 : 2,936,832.93 = 1,161,285.93 : x
  2. Step 2: Convert to fraction form
    2,128,134.33/2,936,832.93 = 1,161,285.93/x
  3. Step 3: Cross multiply
    2,128,134.33x = 2,936,832.93 × 1,161,285.93
  4. Step 4: Simplify right side
    2,128,134.33x = 3,410,502,760,369.68
  5. Step 5: Solve for x
    x = 3,410,502,760,369.68/2,128,134.33
  6. Step 6: Final answer
    x = 1,602,578.71

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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.