Home / 3,761,619.85-5,191,095.48-2,129,982.98

Finding the Fourth Proportional to 3,761,619.85, 5,191,095.48 and 2,129,982.98

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Solution

The fourth proportional to 3,761,619.85, 5,191,095.48 and 2,129,982.98 is: 2,939,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761,619.85 : 5,191,095.48 = 2,129,982.98 : x
  2. Step 2: Convert to fraction form
    3,761,619.85/5,191,095.48 = 2,129,982.98/x
  3. Step 3: Cross multiply
    3,761,619.85x = 5,191,095.48 × 2,129,982.98
  4. Step 4: Simplify right side
    3,761,619.85x = 11,056,945,019,954.93
  5. Step 5: Solve for x
    x = 11,056,945,019,954.93/3,761,619.85
  6. Step 6: Final answer
    x = 2,939,410.54

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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.