Home / 2,178,369.57-3,266,861.12-719,144.31

Finding the Fourth Proportional to 2,178,369.57, 3,266,861.12 and 719,144.31

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Solution

The fourth proportional to 2,178,369.57, 3,266,861.12 and 719,144.31 is: 1,078,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,369.57 : 3,266,861.12 = 719,144.31 : x
  2. Step 2: Convert to fraction form
    2,178,369.57/3,266,861.12 = 719,144.31/x
  3. Step 3: Cross multiply
    2,178,369.57x = 3,266,861.12 × 719,144.31
  4. Step 4: Simplify right side
    2,178,369.57x = 2,349,344,582,412.51
  5. Step 5: Solve for x
    x = 2,349,344,582,412.51/2,178,369.57
  6. Step 6: Final answer
    x = 1,078,487.61

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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.