Home / 3,753,916.83-5,180,670.81-2,122,339.68

Finding the Fourth Proportional to 3,753,916.83, 5,180,670.81 and 2,122,339.68

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Solution

The fourth proportional to 3,753,916.83, 5,180,670.81 and 2,122,339.68 is: 2,928,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753,916.83 : 5,180,670.81 = 2,122,339.68 : x
  2. Step 2: Convert to fraction form
    3,753,916.83/5,180,670.81 = 2,122,339.68/x
  3. Step 3: Cross multiply
    3,753,916.83x = 5,180,670.81 × 2,122,339.68
  4. Step 4: Simplify right side
    3,753,916.83x = 10,995,143,229,080.74
  5. Step 5: Solve for x
    x = 10,995,143,229,080.74/3,753,916.83
  6. Step 6: Final answer
    x = 2,928,978.91

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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.