Home / 3,478,659.60-5,217,989.40-954,310.80

Finding the Fourth Proportional to 3,478,659.60, 5,217,989.40 and 954,310.80

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Solution

The fourth proportional to 3,478,659.60, 5,217,989.40 and 954,310.80 is: 1,431,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,659.60 : 5,217,989.40 = 954,310.80 : x
  2. Step 2: Convert to fraction form
    3,478,659.60/5,217,989.40 = 954,310.80/x
  3. Step 3: Cross multiply
    3,478,659.60x = 5,217,989.40 × 954,310.80
  4. Step 4: Simplify right side
    3,478,659.60x = 4,979,583,638,705.52
  5. Step 5: Solve for x
    x = 4,979,583,638,705.52/3,478,659.60
  6. Step 6: Final answer
    x = 1,431,466.20

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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.