Home / 1,821,233.30-2,732,615.40-978,800.90

Finding the Fourth Proportional to 1,821,233.30, 2,732,615.40 and 978,800.90

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Solution

The fourth proportional to 1,821,233.30, 2,732,615.40 and 978,800.90 is: 1,468,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,233.30 : 2,732,615.40 = 978,800.90 : x
  2. Step 2: Convert to fraction form
    1,821,233.30/2,732,615.40 = 978,800.90/x
  3. Step 3: Cross multiply
    1,821,233.30x = 2,732,615.40 × 978,800.90
  4. Step 4: Simplify right side
    1,821,233.30x = 2,674,686,412,873.86
  5. Step 5: Solve for x
    x = 2,674,686,412,873.86/1,821,233.30
  6. Step 6: Final answer
    x = 1,468,612.73

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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.