Home / 2,867,694.77-3,955,402.91-1,887,321.39

Finding the Fourth Proportional to 2,867,694.77, 3,955,402.91 and 1,887,321.39

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Solution

The fourth proportional to 2,867,694.77, 3,955,402.91 and 1,887,321.39 is: 2,603,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,694.77 : 3,955,402.91 = 1,887,321.39 : x
  2. Step 2: Convert to fraction form
    2,867,694.77/3,955,402.91 = 1,887,321.39/x
  3. Step 3: Cross multiply
    2,867,694.77x = 3,955,402.91 × 1,887,321.39
  4. Step 4: Simplify right side
    2,867,694.77x = 7,465,116,508,674.64
  5. Step 5: Solve for x
    x = 7,465,116,508,674.64/2,867,694.77
  6. Step 6: Final answer
    x = 2,603,176.81

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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.