Home / 1,820,843.30-2,732,030.40-978,410.90

Finding the Fourth Proportional to 1,820,843.30, 2,732,030.40 and 978,410.90

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Solution

The fourth proportional to 1,820,843.30, 2,732,030.40 and 978,410.90 is: 1,468,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,843.30 : 2,732,030.40 = 978,410.90 : x
  2. Step 2: Convert to fraction form
    1,820,843.30/2,732,030.40 = 978,410.90/x
  3. Step 3: Cross multiply
    1,820,843.30x = 2,732,030.40 × 978,410.90
  4. Step 4: Simplify right side
    1,820,843.30x = 2,673,048,322,491.36
  5. Step 5: Solve for x
    x = 2,673,048,322,491.36/1,820,843.30
  6. Step 6: Final answer
    x = 1,468,027.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.