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Finding the Fourth Proportional to 2,339,765.80, 3,503,743.80 and 1,536,699.40

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Solution

The fourth proportional to 2,339,765.80, 3,503,743.80 and 1,536,699.40 is: 2,301,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339,765.80 : 3,503,743.80 = 1,536,699.40 : x
  2. Step 2: Convert to fraction form
    2,339,765.80/3,503,743.80 = 1,536,699.40/x
  3. Step 3: Cross multiply
    2,339,765.80x = 3,503,743.80 × 1,536,699.40
  4. Step 4: Simplify right side
    2,339,765.80x = 5,384,200,995,213.72
  5. Step 5: Solve for x
    x = 5,384,200,995,213.72/2,339,765.80
  6. Step 6: Final answer
    x = 2,301,170.91

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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.