Home / 3,979,806.60-5,492,151.60-2,261,021.40

Finding the Fourth Proportional to 3,979,806.60, 5,492,151.60 and 2,261,021.40

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Solution

The fourth proportional to 3,979,806.60, 5,492,151.60 and 2,261,021.40 is: 3,120,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,806.60 : 5,492,151.60 = 2,261,021.40 : x
  2. Step 2: Convert to fraction form
    3,979,806.60/5,492,151.60 = 2,261,021.40/x
  3. Step 3: Cross multiply
    3,979,806.60x = 5,492,151.60 × 2,261,021.40
  4. Step 4: Simplify right side
    3,979,806.60x = 12,417,872,299,644.24
  5. Step 5: Solve for x
    x = 12,417,872,299,644.24/3,979,806.60
  6. Step 6: Final answer
    x = 3,120,220.04

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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.