Home / 5,239,147.20-7,858,720.80-4,609,291.20

Finding the Fourth Proportional to 5,239,147.20, 7,858,720.80 and 4,609,291.20

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Solution

The fourth proportional to 5,239,147.20, 7,858,720.80 and 4,609,291.20 is: 6,913,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,147.20 : 7,858,720.80 = 4,609,291.20 : x
  2. Step 2: Convert to fraction form
    5,239,147.20/7,858,720.80 = 4,609,291.20/x
  3. Step 3: Cross multiply
    5,239,147.20x = 7,858,720.80 × 4,609,291.20
  4. Step 4: Simplify right side
    5,239,147.20x = 36,223,132,626,696.96
  5. Step 5: Solve for x
    x = 36,223,132,626,696.96/5,239,147.20
  6. Step 6: Final answer
    x = 6,913,936.80

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Similar ratio
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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.