Home / 3,979,077.60-5,955,915.60-3,139,269.60

Finding the Fourth Proportional to 3,979,077.60, 5,955,915.60 and 3,139,269.60

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Solution

The fourth proportional to 3,979,077.60, 5,955,915.60 and 3,139,269.60 is: 4,698,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,077.60 : 5,955,915.60 = 3,139,269.60 : x
  2. Step 2: Convert to fraction form
    3,979,077.60/5,955,915.60 = 3,139,269.60/x
  3. Step 3: Cross multiply
    3,979,077.60x = 5,955,915.60 × 3,139,269.60
  4. Step 4: Simplify right side
    3,979,077.60x = 18,697,224,783,245.76
  5. Step 5: Solve for x
    x = 18,697,224,783,245.76/3,979,077.60
  6. Step 6: Final answer
    x = 4,698,884.18

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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.