Home / 3,109,100.16-4,663,650.06-1,214,512.80

Finding the Fourth Proportional to 3,109,100.16, 4,663,650.06 and 1,214,512.80

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Solution

The fourth proportional to 3,109,100.16, 4,663,650.06 and 1,214,512.80 is: 1,821,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,100.16 : 4,663,650.06 = 1,214,512.80 : x
  2. Step 2: Convert to fraction form
    3,109,100.16/4,663,650.06 = 1,214,512.80/x
  3. Step 3: Cross multiply
    3,109,100.16x = 4,663,650.06 × 1,214,512.80
  4. Step 4: Simplify right side
    3,109,100.16x = 5,664,062,692,590.77
  5. Step 5: Solve for x
    x = 5,664,062,692,590.77/3,109,100.16
  6. Step 6: Final answer
    x = 1,821,769.13

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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.