Home / 2,438,620.72-3,660,200.74-1,241,439.28

Finding the Fourth Proportional to 2,438,620.72, 3,660,200.74 and 1,241,439.28

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Solution

The fourth proportional to 2,438,620.72, 3,660,200.74 and 1,241,439.28 is: 1,863,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,620.72 : 3,660,200.74 = 1,241,439.28 : x
  2. Step 2: Convert to fraction form
    2,438,620.72/3,660,200.74 = 1,241,439.28/x
  3. Step 3: Cross multiply
    2,438,620.72x = 3,660,200.74 × 1,241,439.28
  4. Step 4: Simplify right side
    2,438,620.72x = 4,543,916,971,321.07
  5. Step 5: Solve for x
    x = 4,543,916,971,321.07/2,438,620.72
  6. Step 6: Final answer
    x = 1,863,314.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.