Home / 3,718,255.20-5,130,022.32-2,086,422.72

Finding the Fourth Proportional to 3,718,255.20, 5,130,022.32 and 2,086,422.72

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Solution

The fourth proportional to 3,718,255.20, 5,130,022.32 and 2,086,422.72 is: 2,878,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718,255.20 : 5,130,022.32 = 2,086,422.72 : x
  2. Step 2: Convert to fraction form
    3,718,255.20/5,130,022.32 = 2,086,422.72/x
  3. Step 3: Cross multiply
    3,718,255.20x = 5,130,022.32 × 2,086,422.72
  4. Step 4: Simplify right side
    3,718,255.20x = 10,703,395,122,555.11
  5. Step 5: Solve for x
    x = 10,703,395,122,555.11/3,718,255.20
  6. Step 6: Final answer
    x = 2,878,606.91

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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.