Home / 1,689,984.70-2,530,311.45-1,316,736.70

Finding the Fourth Proportional to 1,689,984.70, 2,530,311.45 and 1,316,736.70

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Solution

The fourth proportional to 1,689,984.70, 2,530,311.45 and 1,316,736.70 is: 1,971,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,984.70 : 2,530,311.45 = 1,316,736.70 : x
  2. Step 2: Convert to fraction form
    1,689,984.70/2,530,311.45 = 1,316,736.70/x
  3. Step 3: Cross multiply
    1,689,984.70x = 2,530,311.45 × 1,316,736.70
  4. Step 4: Simplify right side
    1,689,984.70x = 3,331,753,948,645.22
  5. Step 5: Solve for x
    x = 3,331,753,948,645.22/1,689,984.70
  6. Step 6: Final answer
    x = 1,971,469.89

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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.