Home / 2,091,675.51-3,138,546.75-1,238,712.72

Finding the Fourth Proportional to 2,091,675.51, 3,138,546.75 and 1,238,712.72

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Solution

The fourth proportional to 2,091,675.51, 3,138,546.75 and 1,238,712.72 is: 1,858,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,675.51 : 3,138,546.75 = 1,238,712.72 : x
  2. Step 2: Convert to fraction form
    2,091,675.51/3,138,546.75 = 1,238,712.72/x
  3. Step 3: Cross multiply
    2,091,675.51x = 3,138,546.75 × 1,238,712.72
  4. Step 4: Simplify right side
    2,091,675.51x = 3,887,757,781,539.66
  5. Step 5: Solve for x
    x = 3,887,757,781,539.66/2,091,675.51
  6. Step 6: Final answer
    x = 1,858,681.12

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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.