Home / 3,367,538.40-4,647,368.88-1,917,262.56

Finding the Fourth Proportional to 3,367,538.40, 4,647,368.88 and 1,917,262.56

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Solution

The fourth proportional to 3,367,538.40, 4,647,368.88 and 1,917,262.56 is: 2,645,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367,538.40 : 4,647,368.88 = 1,917,262.56 : x
  2. Step 2: Convert to fraction form
    3,367,538.40/4,647,368.88 = 1,917,262.56/x
  3. Step 3: Cross multiply
    3,367,538.40x = 4,647,368.88 × 1,917,262.56
  4. Step 4: Simplify right side
    3,367,538.40x = 8,910,226,356,133.13
  5. Step 5: Solve for x
    x = 8,910,226,356,133.13/3,367,538.40
  6. Step 6: Final answer
    x = 2,645,916.78

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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.