Home / 2,810,778.96-3,878,876.22-1,521,619.32

Finding the Fourth Proportional to 2,810,778.96, 3,878,876.22 and 1,521,619.32

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Solution

The fourth proportional to 2,810,778.96, 3,878,876.22 and 1,521,619.32 is: 2,099,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,778.96 : 3,878,876.22 = 1,521,619.32 : x
  2. Step 2: Convert to fraction form
    2,810,778.96/3,878,876.22 = 1,521,619.32/x
  3. Step 3: Cross multiply
    2,810,778.96x = 3,878,876.22 × 1,521,619.32
  4. Step 4: Simplify right side
    2,810,778.96x = 5,902,172,996,240.57
  5. Step 5: Solve for x
    x = 5,902,172,996,240.57/2,810,778.96
  6. Step 6: Final answer
    x = 2,099,835.34

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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.