Home / 3,995,430.82-5,515,193.90-2,618,863.22

Finding the Fourth Proportional to 3,995,430.82, 5,515,193.90 and 2,618,863.22

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Solution

The fourth proportional to 3,995,430.82, 5,515,193.90 and 2,618,863.22 is: 3,615,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995,430.82 : 5,515,193.90 = 2,618,863.22 : x
  2. Step 2: Convert to fraction form
    3,995,430.82/5,515,193.90 = 2,618,863.22/x
  3. Step 3: Cross multiply
    3,995,430.82x = 5,515,193.90 × 2,618,863.22
  4. Step 4: Simplify right side
    3,995,430.82x = 14,443,538,455,878.36
  5. Step 5: Solve for x
    x = 14,443,538,455,878.36/3,995,430.82
  6. Step 6: Final answer
    x = 3,615,014.03

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1.5x scale

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.