Home / 2,538,200-3,502,716-1,392,283.08

Finding the Fourth Proportional to 2,538,200, 3,502,716 and 1,392,283.08

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Solution

The fourth proportional to 2,538,200, 3,502,716 and 1,392,283.08 is: 1,921,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,200 : 3,502,716 = 1,392,283.08 : x
  2. Step 2: Convert to fraction form
    2,538,200/3,502,716 = 1,392,283.08/x
  3. Step 3: Cross multiply
    2,538,200x = 3,502,716 × 1,392,283.08
  4. Step 4: Simplify right side
    2,538,200x = 4,876,772,220,845.28
  5. Step 5: Solve for x
    x = 4,876,772,220,845.28/2,538,200
  6. Step 6: Final answer
    x = 1,921,350.65

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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.