Home / 5,409,236.72-8,115,167.28-1,622,719.59

Finding the Fourth Proportional to 5,409,236.72, 8,115,167.28 and 1,622,719.59

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Solution

The fourth proportional to 5,409,236.72, 8,115,167.28 and 1,622,719.59 is: 2,434,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409,236.72 : 8,115,167.28 = 1,622,719.59 : x
  2. Step 2: Convert to fraction form
    5,409,236.72/8,115,167.28 = 1,622,719.59/x
  3. Step 3: Cross multiply
    5,409,236.72x = 8,115,167.28 × 1,622,719.59
  4. Step 4: Simplify right side
    5,409,236.72x = 13,168,640,921,383.02
  5. Step 5: Solve for x
    x = 13,168,640,921,383.02/5,409,236.72
  6. Step 6: Final answer
    x = 2,434,473.03

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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.