Home / 1,993,173.65-2,990,153.93-731,012.21

Finding the Fourth Proportional to 1,993,173.65, 2,990,153.93 and 731,012.21

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Solution

The fourth proportional to 1,993,173.65, 2,990,153.93 and 731,012.21 is: 1,096,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,173.65 : 2,990,153.93 = 731,012.21 : x
  2. Step 2: Convert to fraction form
    1,993,173.65/2,990,153.93 = 731,012.21/x
  3. Step 3: Cross multiply
    1,993,173.65x = 2,990,153.93 × 731,012.21
  4. Step 4: Simplify right side
    1,993,173.65x = 2,185,839,014,003.65
  5. Step 5: Solve for x
    x = 2,185,839,014,003.65/1,993,173.65
  6. Step 6: Final answer
    x = 1,096,662.61

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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.