Home / 3,218,216.20-4,825,898.70-1,087,721.80

Finding the Fourth Proportional to 3,218,216.20, 4,825,898.70 and 1,087,721.80

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Solution

The fourth proportional to 3,218,216.20, 4,825,898.70 and 1,087,721.80 is: 1,631,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,216.20 : 4,825,898.70 = 1,087,721.80 : x
  2. Step 2: Convert to fraction form
    3,218,216.20/4,825,898.70 = 1,087,721.80/x
  3. Step 3: Cross multiply
    3,218,216.20x = 4,825,898.70 × 1,087,721.80
  4. Step 4: Simplify right side
    3,218,216.20x = 5,249,235,220,581.66
  5. Step 5: Solve for x
    x = 5,249,235,220,581.66/3,218,216.20
  6. Step 6: Final answer
    x = 1,631,100.86

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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.