Home / 3,619,977.45-5,429,883.15-1,822,378.20

Finding the Fourth Proportional to 3,619,977.45, 5,429,883.15 and 1,822,378.20

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Solution

The fourth proportional to 3,619,977.45, 5,429,883.15 and 1,822,378.20 is: 2,733,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,977.45 : 5,429,883.15 = 1,822,378.20 : x
  2. Step 2: Convert to fraction form
    3,619,977.45/5,429,883.15 = 1,822,378.20/x
  3. Step 3: Cross multiply
    3,619,977.45x = 5,429,883.15 × 1,822,378.20
  4. Step 4: Simplify right side
    3,619,977.45x = 9,895,300,681,107.33
  5. Step 5: Solve for x
    x = 9,895,300,681,107.33/3,619,977.45
  6. Step 6: Final answer
    x = 2,733,525.50

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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.