Home / 2,120,027.63-3,180,741.28-857,166.35

Finding the Fourth Proportional to 2,120,027.63, 3,180,741.28 and 857,166.35

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Solution

The fourth proportional to 2,120,027.63, 3,180,741.28 and 857,166.35 is: 1,286,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,027.63 : 3,180,741.28 = 857,166.35 : x
  2. Step 2: Convert to fraction form
    2,120,027.63/3,180,741.28 = 857,166.35/x
  3. Step 3: Cross multiply
    2,120,027.63x = 3,180,741.28 × 857,166.35
  4. Step 4: Simplify right side
    2,120,027.63x = 2,726,424,375,225.31
  5. Step 5: Solve for x
    x = 2,726,424,375,225.31/2,120,027.63
  6. Step 6: Final answer
    x = 1,286,032.48

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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.