Home / 3,765,118.80-5,195,978.64-2,315,665.92

Finding the Fourth Proportional to 3,765,118.80, 5,195,978.64 and 2,315,665.92

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Solution

The fourth proportional to 3,765,118.80, 5,195,978.64 and 2,315,665.92 is: 3,195,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765,118.80 : 5,195,978.64 = 2,315,665.92 : x
  2. Step 2: Convert to fraction form
    3,765,118.80/5,195,978.64 = 2,315,665.92/x
  3. Step 3: Cross multiply
    3,765,118.80x = 5,195,978.64 × 2,315,665.92
  4. Step 4: Simplify right side
    3,765,118.80x = 12,032,150,657,695.95
  5. Step 5: Solve for x
    x = 12,032,150,657,695.95/3,765,118.80
  6. Step 6: Final answer
    x = 3,195,689.51

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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.