Home / 1,622,372.05-2,238,196.92-933,879.16

Finding the Fourth Proportional to 1,622,372.05, 2,238,196.92 and 933,879.16

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Solution

The fourth proportional to 1,622,372.05, 2,238,196.92 and 933,879.16 is: 1,288,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,372.05 : 2,238,196.92 = 933,879.16 : x
  2. Step 2: Convert to fraction form
    1,622,372.05/2,238,196.92 = 933,879.16/x
  3. Step 3: Cross multiply
    1,622,372.05x = 2,238,196.92 × 933,879.16
  4. Step 4: Simplify right side
    1,622,372.05x = 2,090,205,459,564.19
  5. Step 5: Solve for x
    x = 2,090,205,459,564.19/1,622,372.05
  6. Step 6: Final answer
    x = 1,288,363.82

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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.