Home / 2,438,971.45-3,656,979.73-1,090,882.78

Finding the Fourth Proportional to 2,438,971.45, 3,656,979.73 and 1,090,882.78

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Solution

The fourth proportional to 2,438,971.45, 3,656,979.73 and 1,090,882.78 is: 1,635,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,971.45 : 3,656,979.73 = 1,090,882.78 : x
  2. Step 2: Convert to fraction form
    2,438,971.45/3,656,979.73 = 1,090,882.78/x
  3. Step 3: Cross multiply
    2,438,971.45x = 3,656,979.73 × 1,090,882.78
  4. Step 4: Simplify right side
    2,438,971.45x = 3,989,336,214,266.05
  5. Step 5: Solve for x
    x = 3,989,336,214,266.05/2,438,971.45
  6. Step 6: Final answer
    x = 1,635,663.35

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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.