Home / 5,286,310.70-7,925,587.76-1,690,007.90

Finding the Fourth Proportional to 5,286,310.70, 7,925,587.76 and 1,690,007.90

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Solution

The fourth proportional to 5,286,310.70, 7,925,587.76 and 1,690,007.90 is: 2,533,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,310.70 : 7,925,587.76 = 1,690,007.90 : x
  2. Step 2: Convert to fraction form
    5,286,310.70/7,925,587.76 = 1,690,007.90/x
  3. Step 3: Cross multiply
    5,286,310.70x = 7,925,587.76 × 1,690,007.90
  4. Step 4: Simplify right side
    5,286,310.70x = 13,394,305,891,140.38
  5. Step 5: Solve for x
    x = 13,394,305,891,140.38/5,286,310.70
  6. Step 6: Final answer
    x = 2,533,771.98

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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.