Home / 5,087,155.10-7,631,716.80-1,493,039.30

Finding the Fourth Proportional to 5,087,155.10, 7,631,716.80 and 1,493,039.30

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Solution

The fourth proportional to 5,087,155.10, 7,631,716.80 and 1,493,039.30 is: 2,239,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087,155.10 : 7,631,716.80 = 1,493,039.30 : x
  2. Step 2: Convert to fraction form
    5,087,155.10/7,631,716.80 = 1,493,039.30/x
  3. Step 3: Cross multiply
    5,087,155.10x = 7,631,716.80 × 1,493,039.30
  4. Step 4: Simplify right side
    5,087,155.10x = 11,394,453,108,870.24
  5. Step 5: Solve for x
    x = 11,394,453,108,870.24/5,087,155.10
  6. Step 6: Final answer
    x = 2,239,847.79

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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.