Home / 1,622,812-2,431,331.16-1,383,729.16

Finding the Fourth Proportional to 1,622,812, 2,431,331.16 and 1,383,729.16

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Solution

The fourth proportional to 1,622,812, 2,431,331.16 and 1,383,729.16 is: 2,073,132.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,812 : 2,431,331.16 = 1,383,729.16 : x
  2. Step 2: Convert to fraction form
    1,622,812/2,431,331.16 = 1,383,729.16/x
  3. Step 3: Cross multiply
    1,622,812x = 2,431,331.16 × 1,383,729.16
  4. Step 4: Simplify right side
    1,622,812x = 3,364,303,823,708.63
  5. Step 5: Solve for x
    x = 3,364,303,823,708.63/1,622,812
  6. Step 6: Final answer
    x = 2,073,132.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.