Home / 2,071,309.64-2,858,407.68-1,212,034.88

Finding the Fourth Proportional to 2,071,309.64, 2,858,407.68 and 1,212,034.88

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Solution

The fourth proportional to 2,071,309.64, 2,858,407.68 and 1,212,034.88 is: 1,672,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,309.64 : 2,858,407.68 = 1,212,034.88 : x
  2. Step 2: Convert to fraction form
    2,071,309.64/2,858,407.68 = 1,212,034.88/x
  3. Step 3: Cross multiply
    2,071,309.64x = 2,858,407.68 × 1,212,034.88
  4. Step 4: Simplify right side
    2,071,309.64x = 3,464,489,809,419.88
  5. Step 5: Solve for x
    x = 3,464,489,809,419.88/2,071,309.64
  6. Step 6: Final answer
    x = 1,672,608.35

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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.