Home / 3,579,400.92-4,939,574.08-1,969,768.92

Finding the Fourth Proportional to 3,579,400.92, 4,939,574.08 and 1,969,768.92

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Solution

The fourth proportional to 3,579,400.92, 4,939,574.08 and 1,969,768.92 is: 2,718,281.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,400.92 : 4,939,574.08 = 1,969,768.92 : x
  2. Step 2: Convert to fraction form
    3,579,400.92/4,939,574.08 = 1,969,768.92/x
  3. Step 3: Cross multiply
    3,579,400.92x = 4,939,574.08 × 1,969,768.92
  4. Step 4: Simplify right side
    3,579,400.92x = 9,729,819,500,821.59
  5. Step 5: Solve for x
    x = 9,729,819,500,821.59/3,579,400.92
  6. Step 6: Final answer
    x = 2,718,281.56

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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.