Home / 3,848,838.96-5,311,266.08-2,130,031.92

Finding the Fourth Proportional to 3,848,838.96, 5,311,266.08 and 2,130,031.92

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Solution

The fourth proportional to 3,848,838.96, 5,311,266.08 and 2,130,031.92 is: 2,939,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848,838.96 : 5,311,266.08 = 2,130,031.92 : x
  2. Step 2: Convert to fraction form
    3,848,838.96/5,311,266.08 = 2,130,031.92/x
  3. Step 3: Cross multiply
    3,848,838.96x = 5,311,266.08 × 2,130,031.92
  4. Step 4: Simplify right side
    3,848,838.96x = 11,313,166,286,013.27
  5. Step 5: Solve for x
    x = 11,313,166,286,013.27/3,848,838.96
  6. Step 6: Final answer
    x = 2,939,371.17

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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.