Home / 3,853,786.80-5,774,459.40-3,219,265.20

Finding the Fourth Proportional to 3,853,786.80, 5,774,459.40 and 3,219,265.20

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Solution

The fourth proportional to 3,853,786.80, 5,774,459.40 and 3,219,265.20 is: 4,823,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,786.80 : 5,774,459.40 = 3,219,265.20 : x
  2. Step 2: Convert to fraction form
    3,853,786.80/5,774,459.40 = 3,219,265.20/x
  3. Step 3: Cross multiply
    3,853,786.80x = 5,774,459.40 × 3,219,265.20
  4. Step 4: Simplify right side
    3,853,786.80x = 18,589,516,195,232.88
  5. Step 5: Solve for x
    x = 18,589,516,195,232.88/3,853,786.80
  6. Step 6: Final answer
    x = 4,823,701.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.