Home / 3,979,498.88-5,479,116.80-3,615,834.24

Finding the Fourth Proportional to 3,979,498.88, 5,479,116.80 and 3,615,834.24

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Solution

The fourth proportional to 3,979,498.88, 5,479,116.80 and 3,615,834.24 is: 4,978,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,498.88 : 5,479,116.80 = 3,615,834.24 : x
  2. Step 2: Convert to fraction form
    3,979,498.88/5,479,116.80 = 3,615,834.24/x
  3. Step 3: Cross multiply
    3,979,498.88x = 5,479,116.80 × 3,615,834.24
  4. Step 4: Simplify right side
    3,979,498.88x = 19,811,578,130,399.23
  5. Step 5: Solve for x
    x = 19,811,578,130,399.23/3,979,498.88
  6. Step 6: Final answer
    x = 4,978,410.28

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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.