Home / 2,189,915.60-3,286,716.60-1,068,942.80

Finding the Fourth Proportional to 2,189,915.60, 3,286,716.60 and 1,068,942.80

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Solution

The fourth proportional to 2,189,915.60, 3,286,716.60 and 1,068,942.80 is: 1,604,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,915.60 : 3,286,716.60 = 1,068,942.80 : x
  2. Step 2: Convert to fraction form
    2,189,915.60/3,286,716.60 = 1,068,942.80/x
  3. Step 3: Cross multiply
    2,189,915.60x = 3,286,716.60 × 1,068,942.80
  4. Step 4: Simplify right side
    2,189,915.60x = 3,513,312,045,210.48
  5. Step 5: Solve for x
    x = 3,513,312,045,210.48/2,189,915.60
  6. Step 6: Final answer
    x = 1,604,313.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.