Home / 4,138,366.70-5,707,710.73-2,688,529.28

Finding the Fourth Proportional to 4,138,366.70, 5,707,710.73 and 2,688,529.28

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Solution

The fourth proportional to 4,138,366.70, 5,707,710.73 and 2,688,529.28 is: 3,708,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,366.70 : 5,707,710.73 = 2,688,529.28 : x
  2. Step 2: Convert to fraction form
    4,138,366.70/5,707,710.73 = 2,688,529.28/x
  3. Step 3: Cross multiply
    4,138,366.70x = 5,707,710.73 × 2,688,529.28
  4. Step 4: Simplify right side
    4,138,366.70x = 15,345,347,419,375.17
  5. Step 5: Solve for x
    x = 15,345,347,419,375.17/4,138,366.70
  6. Step 6: Final answer
    x = 3,708,068.55

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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.