Home / 3,134,490.40-4,701,735.60-2,979,661.60

Finding the Fourth Proportional to 3,134,490.40, 4,701,735.60 and 2,979,661.60

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Solution

The fourth proportional to 3,134,490.40, 4,701,735.60 and 2,979,661.60 is: 4,469,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,490.40 : 4,701,735.60 = 2,979,661.60 : x
  2. Step 2: Convert to fraction form
    3,134,490.40/4,701,735.60 = 2,979,661.60/x
  3. Step 3: Cross multiply
    3,134,490.40x = 4,701,735.60 × 2,979,661.60
  4. Step 4: Simplify right side
    3,134,490.40x = 14,009,581,020,672.96
  5. Step 5: Solve for x
    x = 14,009,581,020,672.96/3,134,490.40
  6. Step 6: Final answer
    x = 4,469,492.40

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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.