Home / 5,278,263.40-7,284,039.78-2,863,815.40

Finding the Fourth Proportional to 5,278,263.40, 7,284,039.78 and 2,863,815.40

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Solution

The fourth proportional to 5,278,263.40, 7,284,039.78 and 2,863,815.40 is: 3,952,084.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278,263.40 : 7,284,039.78 = 2,863,815.40 : x
  2. Step 2: Convert to fraction form
    5,278,263.40/7,284,039.78 = 2,863,815.40/x
  3. Step 3: Cross multiply
    5,278,263.40x = 7,284,039.78 × 2,863,815.40
  4. Step 4: Simplify right side
    5,278,263.40x = 20,860,145,296,176.61
  5. Step 5: Solve for x
    x = 20,860,145,296,176.61/5,278,263.40
  6. Step 6: Final answer
    x = 3,952,084.94

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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.