Home / 2,807,286.54-3,873,990.69-1,661,386.02

Finding the Fourth Proportional to 2,807,286.54, 3,873,990.69 and 1,661,386.02

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Solution

The fourth proportional to 2,807,286.54, 3,873,990.69 and 1,661,386.02 is: 2,292,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,286.54 : 3,873,990.69 = 1,661,386.02 : x
  2. Step 2: Convert to fraction form
    2,807,286.54/3,873,990.69 = 1,661,386.02/x
  3. Step 3: Cross multiply
    2,807,286.54x = 3,873,990.69 × 1,661,386.02
  4. Step 4: Simplify right side
    2,807,286.54x = 6,436,193,973,976.15
  5. Step 5: Solve for x
    x = 6,436,193,973,976.15/2,807,286.54
  6. Step 6: Final answer
    x = 2,292,674.40

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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.