Home / 1,485,216.45-2,232,581.40-1,379,912.40

Finding the Fourth Proportional to 1,485,216.45, 2,232,581.40 and 1,379,912.40

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Solution

The fourth proportional to 1,485,216.45, 2,232,581.40 and 1,379,912.40 is: 2,074,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,216.45 : 2,232,581.40 = 1,379,912.40 : x
  2. Step 2: Convert to fraction form
    1,485,216.45/2,232,581.40 = 1,379,912.40/x
  3. Step 3: Cross multiply
    1,485,216.45x = 2,232,581.40 × 1,379,912.40
  4. Step 4: Simplify right side
    1,485,216.45x = 3,080,766,757,869.36
  5. Step 5: Solve for x
    x = 3,080,766,757,869.36/1,485,216.45
  6. Step 6: Final answer
    x = 2,074,288.07

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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.