Home / 3,419,311.61-4,718,187.80-1,949,409.77

Finding the Fourth Proportional to 3,419,311.61, 4,718,187.80 and 1,949,409.77

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Solution

The fourth proportional to 3,419,311.61, 4,718,187.80 and 1,949,409.77 is: 2,689,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,311.61 : 4,718,187.80 = 1,949,409.77 : x
  2. Step 2: Convert to fraction form
    3,419,311.61/4,718,187.80 = 1,949,409.77/x
  3. Step 3: Cross multiply
    3,419,311.61x = 4,718,187.80 × 1,949,409.77
  4. Step 4: Simplify right side
    3,419,311.61x = 9,197,681,384,267.76
  5. Step 5: Solve for x
    x = 9,197,681,384,267.76/3,419,311.61
  6. Step 6: Final answer
    x = 2,689,921.96

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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.