Home / 3,929,879.19-5,422,794.39-2,210,962.80

Finding the Fourth Proportional to 3,929,879.19, 5,422,794.39 and 2,210,962.80

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Solution

The fourth proportional to 3,929,879.19, 5,422,794.39 and 2,210,962.80 is: 3,050,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,879.19 : 5,422,794.39 = 2,210,962.80 : x
  2. Step 2: Convert to fraction form
    3,929,879.19/5,422,794.39 = 2,210,962.80/x
  3. Step 3: Cross multiply
    3,929,879.19x = 5,422,794.39 × 2,210,962.80
  4. Step 4: Simplify right side
    3,929,879.19x = 11,989,596,668,338.69
  5. Step 5: Solve for x
    x = 11,989,596,668,338.69/3,929,879.19
  6. Step 6: Final answer
    x = 3,050,881.74

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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.