Home / 3,489,621.20-5,230,543.80-1,358,997.20

Finding the Fourth Proportional to 3,489,621.20, 5,230,543.80 and 1,358,997.20

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Solution

The fourth proportional to 3,489,621.20, 5,230,543.80 and 1,358,997.20 is: 2,036,981.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489,621.20 : 5,230,543.80 = 1,358,997.20 : x
  2. Step 2: Convert to fraction form
    3,489,621.20/5,230,543.80 = 1,358,997.20/x
  3. Step 3: Cross multiply
    3,489,621.20x = 5,230,543.80 × 1,358,997.20
  4. Step 4: Simplify right side
    3,489,621.20x = 7,108,294,378,677.36
  5. Step 5: Solve for x
    x = 7,108,294,378,677.36/3,489,621.20
  6. Step 6: Final answer
    x = 2,036,981.66

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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.