Home / 1,553,221.82-2,143,745.60-941,709.51

Finding the Fourth Proportional to 1,553,221.82, 2,143,745.60 and 941,709.51

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Solution

The fourth proportional to 1,553,221.82, 2,143,745.60 and 941,709.51 is: 1,299,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,221.82 : 2,143,745.60 = 941,709.51 : x
  2. Step 2: Convert to fraction form
    1,553,221.82/2,143,745.60 = 941,709.51/x
  3. Step 3: Cross multiply
    1,553,221.82x = 2,143,745.60 × 941,709.51
  4. Step 4: Simplify right side
    1,553,221.82x = 2,018,785,613,832.11
  5. Step 5: Solve for x
    x = 2,018,785,613,832.11/1,553,221.82
  6. Step 6: Final answer
    x = 1,299,740.70

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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.