Home / 3,979,934-5,492,457.24-2,261,345.60

Finding the Fourth Proportional to 3,979,934, 5,492,457.24 and 2,261,345.60

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Solution

The fourth proportional to 3,979,934, 5,492,457.24 and 2,261,345.60 is: 3,120,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,934 : 5,492,457.24 = 2,261,345.60 : x
  2. Step 2: Convert to fraction form
    3,979,934/5,492,457.24 = 2,261,345.60/x
  3. Step 3: Cross multiply
    3,979,934x = 5,492,457.24 × 2,261,345.60
  4. Step 4: Simplify right side
    3,979,934x = 12,420,344,012,862.14
  5. Step 5: Solve for x
    x = 12,420,344,012,862.14/3,979,934
  6. Step 6: Final answer
    x = 3,120,741.20

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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.