Home / 3,478,006.20-5,217,009.30-2,470,236.60

Finding the Fourth Proportional to 3,478,006.20, 5,217,009.30 and 2,470,236.60

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Solution

The fourth proportional to 3,478,006.20, 5,217,009.30 and 2,470,236.60 is: 3,705,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,006.20 : 5,217,009.30 = 2,470,236.60 : x
  2. Step 2: Convert to fraction form
    3,478,006.20/5,217,009.30 = 2,470,236.60/x
  3. Step 3: Cross multiply
    3,478,006.20x = 5,217,009.30 × 2,470,236.60
  4. Step 4: Simplify right side
    3,478,006.20x = 12,887,247,315,400.38
  5. Step 5: Solve for x
    x = 12,887,247,315,400.38/3,478,006.20
  6. Step 6: Final answer
    x = 3,705,354.90

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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.