Home / 4,078,999.60-6,118,499.40-2,189,431.60

Finding the Fourth Proportional to 4,078,999.60, 6,118,499.40 and 2,189,431.60

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Solution

The fourth proportional to 4,078,999.60, 6,118,499.40 and 2,189,431.60 is: 3,284,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,999.60 : 6,118,499.40 = 2,189,431.60 : x
  2. Step 2: Convert to fraction form
    4,078,999.60/6,118,499.40 = 2,189,431.60/x
  3. Step 3: Cross multiply
    4,078,999.60x = 6,118,499.40 × 2,189,431.60
  4. Step 4: Simplify right side
    4,078,999.60x = 13,396,035,930,941.04
  5. Step 5: Solve for x
    x = 13,396,035,930,941.04/4,078,999.60
  6. Step 6: Final answer
    x = 3,284,147.40

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Similar ratio
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1.5x scale

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.