Home / 3,853,809.28-5,315,262.96-2,631,100.48

Finding the Fourth Proportional to 3,853,809.28, 5,315,262.96 and 2,631,100.48

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Solution

The fourth proportional to 3,853,809.28, 5,315,262.96 and 2,631,100.48 is: 3,628,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,809.28 : 5,315,262.96 = 2,631,100.48 : x
  2. Step 2: Convert to fraction form
    3,853,809.28/5,315,262.96 = 2,631,100.48/x
  3. Step 3: Cross multiply
    3,853,809.28x = 5,315,262.96 × 2,631,100.48
  4. Step 4: Simplify right side
    3,853,809.28x = 13,984,990,925,382.22
  5. Step 5: Solve for x
    x = 13,984,990,925,382.22/3,853,809.28
  6. Step 6: Final answer
    x = 3,628,874.68

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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.