Home / 3,901,157.10-5,383,605.66-2,158,953.26

Finding the Fourth Proportional to 3,901,157.10, 5,383,605.66 and 2,158,953.26

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Solution

The fourth proportional to 3,901,157.10, 5,383,605.66 and 2,158,953.26 is: 2,979,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,157.10 : 5,383,605.66 = 2,158,953.26 : x
  2. Step 2: Convert to fraction form
    3,901,157.10/5,383,605.66 = 2,158,953.26/x
  3. Step 3: Cross multiply
    3,901,157.10x = 5,383,605.66 × 2,158,953.26
  4. Step 4: Simplify right side
    3,901,157.10x = 11,622,952,990,211.45
  5. Step 5: Solve for x
    x = 11,622,952,990,211.45/3,901,157.10
  6. Step 6: Final answer
    x = 2,979,360.40

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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.