Home / 3,886,386.82-5,363,223.33-2,167,618.66

Finding the Fourth Proportional to 3,886,386.82, 5,363,223.33 and 2,167,618.66

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Solution

The fourth proportional to 3,886,386.82, 5,363,223.33 and 2,167,618.66 is: 2,991,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,386.82 : 5,363,223.33 = 2,167,618.66 : x
  2. Step 2: Convert to fraction form
    3,886,386.82/5,363,223.33 = 2,167,618.66/x
  3. Step 3: Cross multiply
    3,886,386.82x = 5,363,223.33 × 2,167,618.66
  4. Step 4: Simplify right side
    3,886,386.82x = 11,625,422,967,855.34
  5. Step 5: Solve for x
    x = 11,625,422,967,855.34/3,886,386.82
  6. Step 6: Final answer
    x = 2,991,319.06

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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.