Home / 5,678,195.72-7,835,613.69-3,099,378.26

Finding the Fourth Proportional to 5,678,195.72, 7,835,613.69 and 3,099,378.26

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Solution

The fourth proportional to 5,678,195.72, 7,835,613.69 and 3,099,378.26 is: 4,276,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,195.72 : 7,835,613.69 = 3,099,378.26 : x
  2. Step 2: Convert to fraction form
    5,678,195.72/7,835,613.69 = 3,099,378.26/x
  3. Step 3: Cross multiply
    5,678,195.72x = 7,835,613.69 × 3,099,378.26
  4. Step 4: Simplify right side
    5,678,195.72x = 24,285,530,685,366.31
  5. Step 5: Solve for x
    x = 24,285,530,685,366.31/5,678,195.72
  6. Step 6: Final answer
    x = 4,276,980.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.