Home / 2,808,609.10-4,212,913.65-1,391,433.10

Finding the Fourth Proportional to 2,808,609.10, 4,212,913.65 and 1,391,433.10

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Solution

The fourth proportional to 2,808,609.10, 4,212,913.65 and 1,391,433.10 is: 2,087,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,609.10 : 4,212,913.65 = 1,391,433.10 : x
  2. Step 2: Convert to fraction form
    2,808,609.10/4,212,913.65 = 1,391,433.10/x
  3. Step 3: Cross multiply
    2,808,609.10x = 4,212,913.65 × 1,391,433.10
  4. Step 4: Simplify right side
    2,808,609.10x = 5,861,987,500,051.82
  5. Step 5: Solve for x
    x = 5,861,987,500,051.82/2,808,609.10
  6. Step 6: Final answer
    x = 2,087,149.65

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Double scale
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Similar ratio
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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.