Home / 3,765,690-5,196,632.76-2,046,819.78

Finding the Fourth Proportional to 3,765,690, 5,196,632.76 and 2,046,819.78

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Solution

The fourth proportional to 3,765,690, 5,196,632.76 and 2,046,819.78 is: 2,824,600.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765,690 : 5,196,632.76 = 2,046,819.78 : x
  2. Step 2: Convert to fraction form
    3,765,690/5,196,632.76 = 2,046,819.78/x
  3. Step 3: Cross multiply
    3,765,690x = 5,196,632.76 × 2,046,819.78
  4. Step 4: Simplify right side
    3,765,690x = 10,636,570,722,563.99
  5. Step 5: Solve for x
    x = 10,636,570,722,563.99/3,765,690
  6. Step 6: Final answer
    x = 2,824,600.73

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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.