Home / 3,413,420.72-5,120,129.44-1,017,204.20

Finding the Fourth Proportional to 3,413,420.72, 5,120,129.44 and 1,017,204.20

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Solution

The fourth proportional to 3,413,420.72, 5,120,129.44 and 1,017,204.20 is: 1,525,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,420.72 : 5,120,129.44 = 1,017,204.20 : x
  2. Step 2: Convert to fraction form
    3,413,420.72/5,120,129.44 = 1,017,204.20/x
  3. Step 3: Cross multiply
    3,413,420.72x = 5,120,129.44 × 1,017,204.20
  4. Step 4: Simplify right side
    3,413,420.72x = 5,208,217,170,911.65
  5. Step 5: Solve for x
    x = 5,208,217,170,911.65/3,413,420.72
  6. Step 6: Final answer
    x = 1,525,805.81

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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.