Home / 5,286,276-7,295,067.36-2,871,828

Finding the Fourth Proportional to 5,286,276, 7,295,067.36 and 2,871,828

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Solution

The fourth proportional to 5,286,276, 7,295,067.36 and 2,871,828 is: 3,963,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,276 : 7,295,067.36 = 2,871,828 : x
  2. Step 2: Convert to fraction form
    5,286,276/7,295,067.36 = 2,871,828/x
  3. Step 3: Cross multiply
    5,286,276x = 7,295,067.36 × 2,871,828
  4. Step 4: Simplify right side
    5,286,276x = 20,950,178,706,334.08
  5. Step 5: Solve for x
    x = 20,950,178,706,334.08/5,286,276
  6. Step 6: Final answer
    x = 3,963,126.16

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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.