Home / 5,481,720.12-7,565,584.48-3,158,170.22

Finding the Fourth Proportional to 5,481,720.12, 7,565,584.48 and 3,158,170.22

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Solution

The fourth proportional to 5,481,720.12, 7,565,584.48 and 3,158,170.22 is: 4,358,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481,720.12 : 7,565,584.48 = 3,158,170.22 : x
  2. Step 2: Convert to fraction form
    5,481,720.12/7,565,584.48 = 3,158,170.22/x
  3. Step 3: Cross multiply
    5,481,720.12x = 7,565,584.48 × 3,158,170.22
  4. Step 4: Simplify right side
    5,481,720.12x = 23,893,403,601,630.19
  5. Step 5: Solve for x
    x = 23,893,403,601,630.19/5,481,720.12
  6. Step 6: Final answer
    x = 4,358,741.98

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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.