Home / 5,586,721.20-8,380,081.80-1,992,605.40

Finding the Fourth Proportional to 5,586,721.20, 8,380,081.80 and 1,992,605.40

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Solution

The fourth proportional to 5,586,721.20, 8,380,081.80 and 1,992,605.40 is: 2,988,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,586,721.20 : 8,380,081.80 = 1,992,605.40 : x
  2. Step 2: Convert to fraction form
    5,586,721.20/8,380,081.80 = 1,992,605.40/x
  3. Step 3: Cross multiply
    5,586,721.20x = 8,380,081.80 × 1,992,605.40
  4. Step 4: Simplify right side
    5,586,721.20x = 16,698,196,247,121.72
  5. Step 5: Solve for x
    x = 16,698,196,247,121.72/5,586,721.20
  6. Step 6: Final answer
    x = 2,988,908.10

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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.