Home / 3,979,936-5,492,460-2,261,347.60

Finding the Fourth Proportional to 3,979,936, 5,492,460 and 2,261,347.60

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Solution

The fourth proportional to 3,979,936, 5,492,460 and 2,261,347.60 is: 3,120,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,936 : 5,492,460 = 2,261,347.60 : x
  2. Step 2: Convert to fraction form
    3,979,936/5,492,460 = 2,261,347.60/x
  3. Step 3: Cross multiply
    3,979,936x = 5,492,460 × 2,261,347.60
  4. Step 4: Simplify right side
    3,979,936x = 12,420,361,239,096
  5. Step 5: Solve for x
    x = 12,420,361,239,096/3,979,936
  6. Step 6: Final answer
    x = 3,120,743.96

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1.5x scale

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.