Home / 3,892,120.44-5,371,126.00-2,101,923.19

Finding the Fourth Proportional to 3,892,120.44, 5,371,126.00 and 2,101,923.19

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Solution

The fourth proportional to 3,892,120.44, 5,371,126.00 and 2,101,923.19 is: 2,900,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,120.44 : 5,371,126.00 = 2,101,923.19 : x
  2. Step 2: Convert to fraction form
    3,892,120.44/5,371,126.00 = 2,101,923.19/x
  3. Step 3: Cross multiply
    3,892,120.44x = 5,371,126.00 × 2,101,923.19
  4. Step 4: Simplify right side
    3,892,120.44x = 11,289,694,281,509.09
  5. Step 5: Solve for x
    x = 11,289,694,281,509.09/3,892,120.44
  6. Step 6: Final answer
    x = 2,900,653.89

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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.