Home / 2,550,761.64-3,519,979.12-1,389,181.68

Finding the Fourth Proportional to 2,550,761.64, 3,519,979.12 and 1,389,181.68

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Solution

The fourth proportional to 2,550,761.64, 3,519,979.12 and 1,389,181.68 is: 1,917,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550,761.64 : 3,519,979.12 = 1,389,181.68 : x
  2. Step 2: Convert to fraction form
    2,550,761.64/3,519,979.12 = 1,389,181.68/x
  3. Step 3: Cross multiply
    2,550,761.64x = 3,519,979.12 × 1,389,181.68
  4. Step 4: Simplify right side
    2,550,761.64x = 4,889,890,507,486.52
  5. Step 5: Solve for x
    x = 4,889,890,507,486.52/2,550,761.64
  6. Step 6: Final answer
    x = 1,917,031.54

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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.