Home / 3,298,142.93-4,947,083.79-1,378,558.35

Finding the Fourth Proportional to 3,298,142.93, 4,947,083.79 and 1,378,558.35

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Solution

The fourth proportional to 3,298,142.93, 4,947,083.79 and 1,378,558.35 is: 2,067,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298,142.93 : 4,947,083.79 = 1,378,558.35 : x
  2. Step 2: Convert to fraction form
    3,298,142.93/4,947,083.79 = 1,378,558.35/x
  3. Step 3: Cross multiply
    3,298,142.93x = 4,947,083.79 × 1,378,558.35
  4. Step 4: Simplify right side
    3,298,142.93x = 6,819,843,666,854.15
  5. Step 5: Solve for x
    x = 6,819,843,666,854.15/3,298,142.93
  6. Step 6: Final answer
    x = 2,067,782.94

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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.