Home / 3,939,093.46-5,435,990.40-2,220,213.98

Finding the Fourth Proportional to 3,939,093.46, 5,435,990.40 and 2,220,213.98

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Solution

The fourth proportional to 3,939,093.46, 5,435,990.40 and 2,220,213.98 is: 3,063,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,093.46 : 5,435,990.40 = 2,220,213.98 : x
  2. Step 2: Convert to fraction form
    3,939,093.46/5,435,990.40 = 2,220,213.98/x
  3. Step 3: Cross multiply
    3,939,093.46x = 5,435,990.40 × 2,220,213.98
  4. Step 4: Simplify right side
    3,939,093.46x = 12,069,061,854,045.84
  5. Step 5: Solve for x
    x = 12,069,061,854,045.84/3,939,093.46
  6. Step 6: Final answer
    x = 3,063,918.64

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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.