Home / 5,101,967.79-7,040,715.51-2,810,128.48

Finding the Fourth Proportional to 5,101,967.79, 7,040,715.51 and 2,810,128.48

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Solution

The fourth proportional to 5,101,967.79, 7,040,715.51 and 2,810,128.48 is: 3,877,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,967.79 : 7,040,715.51 = 2,810,128.48 : x
  2. Step 2: Convert to fraction form
    5,101,967.79/7,040,715.51 = 2,810,128.48/x
  3. Step 3: Cross multiply
    5,101,967.79x = 7,040,715.51 × 2,810,128.48
  4. Step 4: Simplify right side
    5,101,967.79x = 19,785,315,167,164.92
  5. Step 5: Solve for x
    x = 19,785,315,167,164.92/5,101,967.79
  6. Step 6: Final answer
    x = 3,877,977.28

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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.