Home / 3,579,415.20-4,939,593.78-1,969,783.20

Finding the Fourth Proportional to 3,579,415.20, 4,939,593.78 and 1,969,783.20

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Solution

The fourth proportional to 3,579,415.20, 4,939,593.78 and 1,969,783.20 is: 2,718,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,415.20 : 4,939,593.78 = 1,969,783.20 : x
  2. Step 2: Convert to fraction form
    3,579,415.20/4,939,593.78 = 1,969,783.20/x
  3. Step 3: Cross multiply
    3,579,415.20x = 4,939,593.78 × 1,969,783.20
  4. Step 4: Simplify right side
    3,579,415.20x = 9,729,928,842,668.50
  5. Step 5: Solve for x
    x = 9,729,928,842,668.50/3,579,415.20
  6. Step 6: Final answer
    x = 2,718,301.26

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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.