Home / 3,886,397.32-5,363,237.84-2,167,629.16

Finding the Fourth Proportional to 3,886,397.32, 5,363,237.84 and 2,167,629.16

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Solution

The fourth proportional to 3,886,397.32, 5,363,237.84 and 2,167,629.16 is: 2,991,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,397.32 : 5,363,237.84 = 2,167,629.16 : x
  2. Step 2: Convert to fraction form
    3,886,397.32/5,363,237.84 = 2,167,629.16/x
  3. Step 3: Cross multiply
    3,886,397.32x = 5,363,237.84 × 2,167,629.16
  4. Step 4: Simplify right side
    3,886,397.32x = 11,625,510,733,999.41
  5. Step 5: Solve for x
    x = 11,625,510,733,999.41/3,886,397.32
  6. Step 6: Final answer
    x = 2,991,333.56

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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.