Home / 2,578,657.80-3,867,986.70-1,303,199.40

Finding the Fourth Proportional to 2,578,657.80, 3,867,986.70 and 1,303,199.40

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Solution

The fourth proportional to 2,578,657.80, 3,867,986.70 and 1,303,199.40 is: 1,954,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,657.80 : 3,867,986.70 = 1,303,199.40 : x
  2. Step 2: Convert to fraction form
    2,578,657.80/3,867,986.70 = 1,303,199.40/x
  3. Step 3: Cross multiply
    2,578,657.80x = 3,867,986.70 × 1,303,199.40
  4. Step 4: Simplify right side
    2,578,657.80x = 5,040,757,946,647.98
  5. Step 5: Solve for x
    x = 5,040,757,946,647.98/2,578,657.80
  6. Step 6: Final answer
    x = 1,954,799.10

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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.