Home / 4,138,367.70-5,707,712.11-2,688,530.28

Finding the Fourth Proportional to 4,138,367.70, 5,707,712.11 and 2,688,530.28

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Solution

The fourth proportional to 4,138,367.70, 5,707,712.11 and 2,688,530.28 is: 3,708,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,367.70 : 5,707,712.11 = 2,688,530.28 : x
  2. Step 2: Convert to fraction form
    4,138,367.70/5,707,712.11 = 2,688,530.28/x
  3. Step 3: Cross multiply
    4,138,367.70x = 5,707,712.11 × 2,688,530.28
  4. Step 4: Simplify right side
    4,138,367.70x = 15,345,356,837,257.69
  5. Step 5: Solve for x
    x = 15,345,356,837,257.69/4,138,367.70
  6. Step 6: Final answer
    x = 3,708,069.93

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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.