Home / 3,218,288.20-4,826,006.70-1,087,793.80

Finding the Fourth Proportional to 3,218,288.20, 4,826,006.70 and 1,087,793.80

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Solution

The fourth proportional to 3,218,288.20, 4,826,006.70 and 1,087,793.80 is: 1,631,208.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,288.20 : 4,826,006.70 = 1,087,793.80 : x
  2. Step 2: Convert to fraction form
    3,218,288.20/4,826,006.70 = 1,087,793.80/x
  3. Step 3: Cross multiply
    3,218,288.20x = 4,826,006.70 × 1,087,793.80
  4. Step 4: Simplify right side
    3,218,288.20x = 5,249,700,167,018.46
  5. Step 5: Solve for x
    x = 5,249,700,167,018.46/3,218,288.20
  6. Step 6: Final answer
    x = 1,631,208.84

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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.