Home / 3,853,780.80-5,774,450.40-3,219,259.20

Finding the Fourth Proportional to 3,853,780.80, 5,774,450.40 and 3,219,259.20

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Solution

The fourth proportional to 3,853,780.80, 5,774,450.40 and 3,219,259.20 is: 4,823,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,780.80 : 5,774,450.40 = 3,219,259.20 : x
  2. Step 2: Convert to fraction form
    3,853,780.80/5,774,450.40 = 3,219,259.20/x
  3. Step 3: Cross multiply
    3,853,780.80x = 5,774,450.40 × 3,219,259.20
  4. Step 4: Simplify right side
    3,853,780.80x = 18,589,452,575,143.68
  5. Step 5: Solve for x
    x = 18,589,452,575,143.68/3,853,780.80
  6. Step 6: Final answer
    x = 4,823,692.25

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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.