Home / 3,818,060.20-5,726,960.70-978,200.20

Finding the Fourth Proportional to 3,818,060.20, 5,726,960.70 and 978,200.20

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Solution

The fourth proportional to 3,818,060.20, 5,726,960.70 and 978,200.20 is: 1,467,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,060.20 : 5,726,960.70 = 978,200.20 : x
  2. Step 2: Convert to fraction form
    3,818,060.20/5,726,960.70 = 978,200.20/x
  3. Step 3: Cross multiply
    3,818,060.20x = 5,726,960.70 × 978,200.20
  4. Step 4: Simplify right side
    3,818,060.20x = 5,602,114,102,132.14
  5. Step 5: Solve for x
    x = 5,602,114,102,132.14/3,818,060.20
  6. Step 6: Final answer
    x = 1,467,267.10

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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.