Home / 3,418,275.12-4,717,208-1,890,349.44

Finding the Fourth Proportional to 3,418,275.12, 4,717,208 and 1,890,349.44

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Solution

The fourth proportional to 3,418,275.12, 4,717,208 and 1,890,349.44 is: 2,608,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,275.12 : 4,717,208 = 1,890,349.44 : x
  2. Step 2: Convert to fraction form
    3,418,275.12/4,717,208 = 1,890,349.44/x
  3. Step 3: Cross multiply
    3,418,275.12x = 4,717,208 × 1,890,349.44
  4. Step 4: Simplify right side
    3,418,275.12x = 8,917,171,501,163.52
  5. Step 5: Solve for x
    x = 8,917,171,501,163.52/3,418,275.12
  6. Step 6: Final answer
    x = 2,608,675.78

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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.