Home / 3,929,706.30-5,422,986.27-2,210,827.98

Finding the Fourth Proportional to 3,929,706.30, 5,422,986.27 and 2,210,827.98

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Solution

The fourth proportional to 3,929,706.30, 5,422,986.27 and 2,210,827.98 is: 3,050,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,706.30 : 5,422,986.27 = 2,210,827.98 : x
  2. Step 2: Convert to fraction form
    3,929,706.30/5,422,986.27 = 2,210,827.98/x
  3. Step 3: Cross multiply
    3,929,706.30x = 5,422,986.27 × 2,210,827.98
  4. Step 4: Simplify right side
    3,929,706.30x = 11,989,289,780,871.83
  5. Step 5: Solve for x
    x = 11,989,289,780,871.83/3,929,706.30
  6. Step 6: Final answer
    x = 3,050,937.87

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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.