Home / 3,512,384.78-5,268,174.73-918,939.94

Finding the Fourth Proportional to 3,512,384.78, 5,268,174.73 and 918,939.94

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Solution

The fourth proportional to 3,512,384.78, 5,268,174.73 and 918,939.94 is: 1,378,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512,384.78 : 5,268,174.73 = 918,939.94 : x
  2. Step 2: Convert to fraction form
    3,512,384.78/5,268,174.73 = 918,939.94/x
  3. Step 3: Cross multiply
    3,512,384.78x = 5,268,174.73 × 918,939.94
  4. Step 4: Simplify right side
    3,512,384.78x = 4,841,136,154,827.93
  5. Step 5: Solve for x
    x = 4,841,136,154,827.93/3,512,384.78
  6. Step 6: Final answer
    x = 1,378,304.62

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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.