Home / 3,899,370.68-5,369,168.94-3,413,215.16

Finding the Fourth Proportional to 3,899,370.68, 5,369,168.94 and 3,413,215.16

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Solution

The fourth proportional to 3,899,370.68, 5,369,168.94 and 3,413,215.16 is: 4,699,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,370.68 : 5,369,168.94 = 3,413,215.16 : x
  2. Step 2: Convert to fraction form
    3,899,370.68/5,369,168.94 = 3,413,215.16/x
  3. Step 3: Cross multiply
    3,899,370.68x = 5,369,168.94 × 3,413,215.16
  4. Step 4: Simplify right side
    3,899,370.68x = 18,326,128,822,609.13
  5. Step 5: Solve for x
    x = 18,326,128,822,609.13/3,899,370.68
  6. Step 6: Final answer
    x = 4,699,765.76

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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.