Home / 2,170,357.21-3,256,213.38-1,306,738.81

Finding the Fourth Proportional to 2,170,357.21, 3,256,213.38 and 1,306,738.81

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Solution

The fourth proportional to 2,170,357.21, 3,256,213.38 and 1,306,738.81 is: 1,960,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,357.21 : 3,256,213.38 = 1,306,738.81 : x
  2. Step 2: Convert to fraction form
    2,170,357.21/3,256,213.38 = 1,306,738.81/x
  3. Step 3: Cross multiply
    2,170,357.21x = 3,256,213.38 × 1,306,738.81
  4. Step 4: Simplify right side
    2,170,357.21x = 4,255,020,374,472.52
  5. Step 5: Solve for x
    x = 4,255,020,374,472.52/2,170,357.21
  6. Step 6: Final answer
    x = 1,960,516.16

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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.