Home / 1,899,785.79-2,621,625.63-1,040,331.24

Finding the Fourth Proportional to 1,899,785.79, 2,621,625.63 and 1,040,331.24

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Solution

The fourth proportional to 1,899,785.79, 2,621,625.63 and 1,040,331.24 is: 1,435,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,785.79 : 2,621,625.63 = 1,040,331.24 : x
  2. Step 2: Convert to fraction form
    1,899,785.79/2,621,625.63 = 1,040,331.24/x
  3. Step 3: Cross multiply
    1,899,785.79x = 2,621,625.63 × 1,040,331.24
  4. Step 4: Simplify right side
    1,899,785.79x = 2,727,359,042,473.68
  5. Step 5: Solve for x
    x = 2,727,359,042,473.68/1,899,785.79
  6. Step 6: Final answer
    x = 1,435,613.98

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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.