Home / 3,688,726.20-5,090,340.78-2,057,183.16

Finding the Fourth Proportional to 3,688,726.20, 5,090,340.78 and 2,057,183.16

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Solution

The fourth proportional to 3,688,726.20, 5,090,340.78 and 2,057,183.16 is: 2,838,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,726.20 : 5,090,340.78 = 2,057,183.16 : x
  2. Step 2: Convert to fraction form
    3,688,726.20/5,090,340.78 = 2,057,183.16/x
  3. Step 3: Cross multiply
    3,688,726.20x = 5,090,340.78 × 2,057,183.16
  4. Step 4: Simplify right side
    3,688,726.20x = 10,471,763,331,277.27
  5. Step 5: Solve for x
    x = 10,471,763,331,277.27/3,688,726.20
  6. Step 6: Final answer
    x = 2,838,856.22

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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.