Home / 3,863,866.98-5,332,160.22-2,121,611.64

Finding the Fourth Proportional to 3,863,866.98, 5,332,160.22 and 2,121,611.64

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Solution

The fourth proportional to 3,863,866.98, 5,332,160.22 and 2,121,611.64 is: 2,927,837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863,866.98 : 5,332,160.22 = 2,121,611.64 : x
  2. Step 2: Convert to fraction form
    3,863,866.98/5,332,160.22 = 2,121,611.64/x
  3. Step 3: Cross multiply
    3,863,866.98x = 5,332,160.22 × 2,121,611.64
  4. Step 4: Simplify right side
    3,863,866.98x = 11,312,773,189,096.96
  5. Step 5: Solve for x
    x = 11,312,773,189,096.96/3,863,866.98
  6. Step 6: Final answer
    x = 2,927,837.12

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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.