Home / 3,858,643.08-5,325,246.72-2,140,318.80

Finding the Fourth Proportional to 3,858,643.08, 5,325,246.72 and 2,140,318.80

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Solution

The fourth proportional to 3,858,643.08, 5,325,246.72 and 2,140,318.80 is: 2,953,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,643.08 : 5,325,246.72 = 2,140,318.80 : x
  2. Step 2: Convert to fraction form
    3,858,643.08/5,325,246.72 = 2,140,318.80/x
  3. Step 3: Cross multiply
    3,858,643.08x = 5,325,246.72 × 2,140,318.80
  4. Step 4: Simplify right side
    3,858,643.08x = 11,397,725,669,454.33
  5. Step 5: Solve for x
    x = 11,397,725,669,454.33/3,858,643.08
  6. Step 6: Final answer
    x = 2,953,817.04

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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.