Home / 1,622,817-2,431,338.64-1,383,734.16

Finding the Fourth Proportional to 1,622,817, 2,431,338.64 and 1,383,734.16

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Solution

The fourth proportional to 1,622,817, 2,431,338.64 and 1,383,734.16 is: 2,073,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,817 : 2,431,338.64 = 1,383,734.16 : x
  2. Step 2: Convert to fraction form
    1,622,817/2,431,338.64 = 1,383,734.16/x
  3. Step 3: Cross multiply
    1,622,817x = 2,431,338.64 × 1,383,734.16
  4. Step 4: Simplify right side
    1,622,817x = 3,364,326,330,695.94
  5. Step 5: Solve for x
    x = 3,364,326,330,695.94/1,622,817
  6. Step 6: Final answer
    x = 2,073,139.69

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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.