Home / 3,848,899.79-5,311,648.43-2,130,020.87

Finding the Fourth Proportional to 3,848,899.79, 5,311,648.43 and 2,130,020.87

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Solution

The fourth proportional to 3,848,899.79, 5,311,648.43 and 2,130,020.87 is: 2,939,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848,899.79 : 5,311,648.43 = 2,130,020.87 : x
  2. Step 2: Convert to fraction form
    3,848,899.79/5,311,648.43 = 2,130,020.87/x
  3. Step 3: Cross multiply
    3,848,899.79x = 5,311,648.43 × 2,130,020.87
  4. Step 4: Simplify right side
    3,848,899.79x = 11,313,921,972,794.39
  5. Step 5: Solve for x
    x = 11,313,921,972,794.39/3,848,899.79
  6. Step 6: Final answer
    x = 2,939,521.06

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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.