Home / 1,804,121.66-2,488,744.15-1,115,573.39

Finding the Fourth Proportional to 1,804,121.66, 2,488,744.15 and 1,115,573.39

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Solution

The fourth proportional to 1,804,121.66, 2,488,744.15 and 1,115,573.39 is: 1,538,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,121.66 : 2,488,744.15 = 1,115,573.39 : x
  2. Step 2: Convert to fraction form
    1,804,121.66/2,488,744.15 = 1,115,573.39/x
  3. Step 3: Cross multiply
    1,804,121.66x = 2,488,744.15 × 1,115,573.39
  4. Step 4: Simplify right side
    1,804,121.66x = 2,776,376,751,691.10
  5. Step 5: Solve for x
    x = 2,776,376,751,691.10/1,804,121.66
  6. Step 6: Final answer
    x = 1,538,907.72

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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.