Home / 2,578,662.80-3,867,994.20-1,303,204.40

Finding the Fourth Proportional to 2,578,662.80, 3,867,994.20 and 1,303,204.40

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Solution

The fourth proportional to 2,578,662.80, 3,867,994.20 and 1,303,204.40 is: 1,954,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,662.80 : 3,867,994.20 = 1,303,204.40 : x
  2. Step 2: Convert to fraction form
    2,578,662.80/3,867,994.20 = 1,303,204.40/x
  3. Step 3: Cross multiply
    2,578,662.80x = 3,867,994.20 × 1,303,204.40
  4. Step 4: Simplify right side
    2,578,662.80x = 5,040,787,060,614.48
  5. Step 5: Solve for x
    x = 5,040,787,060,614.48/2,578,662.80
  6. Step 6: Final answer
    x = 1,954,806.60

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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.