Home / 2,861,890.40-3,949,782-1,846,249.76

Finding the Fourth Proportional to 2,861,890.40, 3,949,782 and 1,846,249.76

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Solution

The fourth proportional to 2,861,890.40, 3,949,782 and 1,846,249.76 is: 2,548,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,890.40 : 3,949,782 = 1,846,249.76 : x
  2. Step 2: Convert to fraction form
    2,861,890.40/3,949,782 = 1,846,249.76/x
  3. Step 3: Cross multiply
    2,861,890.40x = 3,949,782 × 1,846,249.76
  4. Step 4: Simplify right side
    2,861,890.40x = 7,292,284,069,552.32
  5. Step 5: Solve for x
    x = 7,292,284,069,552.32/2,861,890.40
  6. Step 6: Final answer
    x = 2,548,065.46

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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.