Home / 5,219,220.80-7,826,269.89-2,144,654.65

Finding the Fourth Proportional to 5,219,220.80, 7,826,269.89 and 2,144,654.65

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Solution

The fourth proportional to 5,219,220.80, 7,826,269.89 and 2,144,654.65 is: 3,215,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219,220.80 : 7,826,269.89 = 2,144,654.65 : x
  2. Step 2: Convert to fraction form
    5,219,220.80/7,826,269.89 = 2,144,654.65/x
  3. Step 3: Cross multiply
    5,219,220.80x = 7,826,269.89 × 2,144,654.65
  4. Step 4: Simplify right side
    5,219,220.80x = 16,784,646,111,743.49
  5. Step 5: Solve for x
    x = 16,784,646,111,743.49/5,219,220.80
  6. Step 6: Final answer
    x = 3,215,929.50

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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.