Home / 2,639,045.16-3,958,305.24-1,219,080.72

Finding the Fourth Proportional to 2,639,045.16, 3,958,305.24 and 1,219,080.72

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Solution

The fourth proportional to 2,639,045.16, 3,958,305.24 and 1,219,080.72 is: 1,828,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,045.16 : 3,958,305.24 = 1,219,080.72 : x
  2. Step 2: Convert to fraction form
    2,639,045.16/3,958,305.24 = 1,219,080.72/x
  3. Step 3: Cross multiply
    2,639,045.16x = 3,958,305.24 × 1,219,080.72
  4. Step 4: Simplify right side
    2,639,045.16x = 4,825,493,601,958.97
  5. Step 5: Solve for x
    x = 4,825,493,601,958.97/2,639,045.16
  6. Step 6: Final answer
    x = 1,828,499.82

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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.