Home / 3,991,822.37-5,508,717.14-2,156,280.65

Finding the Fourth Proportional to 3,991,822.37, 5,508,717.14 and 2,156,280.65

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Solution

The fourth proportional to 3,991,822.37, 5,508,717.14 and 2,156,280.65 is: 2,975,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,822.37 : 5,508,717.14 = 2,156,280.65 : x
  2. Step 2: Convert to fraction form
    3,991,822.37/5,508,717.14 = 2,156,280.65/x
  3. Step 3: Cross multiply
    3,991,822.37x = 5,508,717.14 × 2,156,280.65
  4. Step 4: Simplify right side
    3,991,822.37x = 11,878,340,153,152.46
  5. Step 5: Solve for x
    x = 11,878,340,153,152.46/3,991,822.37
  6. Step 6: Final answer
    x = 2,975,668.52

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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.