Home / 3,643,866.87-5,469,117.27-1,939,441.20

Finding the Fourth Proportional to 3,643,866.87, 5,469,117.27 and 1,939,441.20

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Solution

The fourth proportional to 3,643,866.87, 5,469,117.27 and 1,939,441.20 is: 2,910,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,866.87 : 5,469,117.27 = 1,939,441.20 : x
  2. Step 2: Convert to fraction form
    3,643,866.87/5,469,117.27 = 1,939,441.20/x
  3. Step 3: Cross multiply
    3,643,866.87x = 5,469,117.27 × 1,939,441.20
  4. Step 4: Simplify right side
    3,643,866.87x = 10,607,031,361,069.52
  5. Step 5: Solve for x
    x = 10,607,031,361,069.52/3,643,866.87
  6. Step 6: Final answer
    x = 2,910,927.25

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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.