Home / 3,818,088.20-5,727,002.70-978,228.20

Finding the Fourth Proportional to 3,818,088.20, 5,727,002.70 and 978,228.20

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Solution

The fourth proportional to 3,818,088.20, 5,727,002.70 and 978,228.20 is: 1,467,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,088.20 : 5,727,002.70 = 978,228.20 : x
  2. Step 2: Convert to fraction form
    3,818,088.20/5,727,002.70 = 978,228.20/x
  3. Step 3: Cross multiply
    3,818,088.20x = 5,727,002.70 × 978,228.20
  4. Step 4: Simplify right side
    3,818,088.20x = 5,602,315,542,616.14
  5. Step 5: Solve for x
    x = 5,602,315,542,616.14/3,818,088.20
  6. Step 6: Final answer
    x = 1,467,309.10

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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.