Home / 2,199,059.10-3,298,588.65-1,667,618.10

Finding the Fourth Proportional to 2,199,059.10, 3,298,588.65 and 1,667,618.10

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Solution

The fourth proportional to 2,199,059.10, 3,298,588.65 and 1,667,618.10 is: 2,501,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,059.10 : 3,298,588.65 = 1,667,618.10 : x
  2. Step 2: Convert to fraction form
    2,199,059.10/3,298,588.65 = 1,667,618.10/x
  3. Step 3: Cross multiply
    2,199,059.10x = 3,298,588.65 × 1,667,618.10
  4. Step 4: Simplify right side
    2,199,059.10x = 5,500,786,137,194.57
  5. Step 5: Solve for x
    x = 5,500,786,137,194.57/2,199,059.10
  6. Step 6: Final answer
    x = 2,501,427.15

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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.