Home / 3,886,381.32-5,363,215.74-2,167,613.16

Finding the Fourth Proportional to 3,886,381.32, 5,363,215.74 and 2,167,613.16

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Solution

The fourth proportional to 3,886,381.32, 5,363,215.74 and 2,167,613.16 is: 2,991,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,381.32 : 5,363,215.74 = 2,167,613.16 : x
  2. Step 2: Convert to fraction form
    3,886,381.32/5,363,215.74 = 2,167,613.16/x
  3. Step 3: Cross multiply
    3,886,381.32x = 5,363,215.74 × 2,167,613.16
  4. Step 4: Simplify right side
    3,886,381.32x = 11,625,377,017,943.14
  5. Step 5: Solve for x
    x = 11,625,377,017,943.14/3,886,381.32
  6. Step 6: Final answer
    x = 2,991,311.47

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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.