Home / 3,929,204.61-5,422,293.78-2,210,325.12

Finding the Fourth Proportional to 3,929,204.61, 5,422,293.78 and 2,210,325.12

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Solution

The fourth proportional to 3,929,204.61, 5,422,293.78 and 2,210,325.12 is: 3,050,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,204.61 : 5,422,293.78 = 2,210,325.12 : x
  2. Step 2: Convert to fraction form
    3,929,204.61/5,422,293.78 = 2,210,325.12/x
  3. Step 3: Cross multiply
    3,929,204.61x = 5,422,293.78 × 2,210,325.12
  4. Step 4: Simplify right side
    3,929,204.61x = 11,985,032,149,953.75
  5. Step 5: Solve for x
    x = 11,985,032,149,953.75/3,929,204.61
  6. Step 6: Final answer
    x = 3,050,243.84

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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.