Home / 2,979,055.35-4,465,083.83-1,378,236.96

Finding the Fourth Proportional to 2,979,055.35, 4,465,083.83 and 1,378,236.96

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Solution

The fourth proportional to 2,979,055.35, 4,465,083.83 and 1,378,236.96 is: 2,065,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,055.35 : 4,465,083.83 = 1,378,236.96 : x
  2. Step 2: Convert to fraction form
    2,979,055.35/4,465,083.83 = 1,378,236.96/x
  3. Step 3: Cross multiply
    2,979,055.35x = 4,465,083.83 × 1,378,236.96
  4. Step 4: Simplify right side
    2,979,055.35x = 6,153,943,557,113.17
  5. Step 5: Solve for x
    x = 6,153,943,557,113.17/2,979,055.35
  6. Step 6: Final answer
    x = 2,065,736.56

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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.