Home / 3,887,129.62-5,364,352.47-2,168,212.96

Finding the Fourth Proportional to 3,887,129.62, 5,364,352.47 and 2,168,212.96

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Solution

The fourth proportional to 3,887,129.62, 5,364,352.47 and 2,168,212.96 is: 2,992,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,129.62 : 5,364,352.47 = 2,168,212.96 : x
  2. Step 2: Convert to fraction form
    3,887,129.62/5,364,352.47 = 2,168,212.96/x
  3. Step 3: Cross multiply
    3,887,129.62x = 5,364,352.47 × 2,168,212.96
  4. Step 4: Simplify right side
    3,887,129.62x = 11,631,058,547,462.01
  5. Step 5: Solve for x
    x = 11,631,058,547,462.01/3,887,129.62
  6. Step 6: Final answer
    x = 2,992,197.25

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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.