Home / 2,634,907.47-3,949,310.75-1,211,977.23

Finding the Fourth Proportional to 2,634,907.47, 3,949,310.75 and 1,211,977.23

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Solution

The fourth proportional to 2,634,907.47, 3,949,310.75 and 1,211,977.23 is: 1,816,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634,907.47 : 3,949,310.75 = 1,211,977.23 : x
  2. Step 2: Convert to fraction form
    2,634,907.47/3,949,310.75 = 1,211,977.23/x
  3. Step 3: Cross multiply
    2,634,907.47x = 3,949,310.75 × 1,211,977.23
  4. Step 4: Simplify right side
    2,634,907.47x = 4,786,474,697,134.34
  5. Step 5: Solve for x
    x = 4,786,474,697,134.34/2,634,907.47
  6. Step 6: Final answer
    x = 1,816,562.73

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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.