Home / 5,239,971.72-7,231,109.94-2,916,827.40

Finding the Fourth Proportional to 5,239,971.72, 7,231,109.94 and 2,916,827.40

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Solution

The fourth proportional to 5,239,971.72, 7,231,109.94 and 2,916,827.40 is: 4,025,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,971.72 : 7,231,109.94 = 2,916,827.40 : x
  2. Step 2: Convert to fraction form
    5,239,971.72/7,231,109.94 = 2,916,827.40/x
  3. Step 3: Cross multiply
    5,239,971.72x = 7,231,109.94 × 2,916,827.40
  4. Step 4: Simplify right side
    5,239,971.72x = 21,091,899,605,404.36
  5. Step 5: Solve for x
    x = 21,091,899,605,404.36/5,239,971.72
  6. Step 6: Final answer
    x = 4,025,193.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.