Home / 2,126,704.87-2,934,735.67-1,208,806.39

Finding the Fourth Proportional to 2,126,704.87, 2,934,735.67 and 1,208,806.39

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Solution

The fourth proportional to 2,126,704.87, 2,934,735.67 and 1,208,806.39 is: 1,668,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,704.87 : 2,934,735.67 = 1,208,806.39 : x
  2. Step 2: Convert to fraction form
    2,126,704.87/2,934,735.67 = 1,208,806.39/x
  3. Step 3: Cross multiply
    2,126,704.87x = 2,934,735.67 × 1,208,806.39
  4. Step 4: Simplify right side
    2,126,704.87x = 3,547,527,230,856.93
  5. Step 5: Solve for x
    x = 3,547,527,230,856.93/2,126,704.87
  6. Step 6: Final answer
    x = 1,668,086.29

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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.