Home / 5,286,314-7,295,119.80-2,871,866

Finding the Fourth Proportional to 5,286,314, 7,295,119.80 and 2,871,866

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Solution

The fourth proportional to 5,286,314, 7,295,119.80 and 2,871,866 is: 3,963,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,314 : 7,295,119.80 = 2,871,866 : x
  2. Step 2: Convert to fraction form
    5,286,314/7,295,119.80 = 2,871,866/x
  3. Step 3: Cross multiply
    5,286,314x = 7,295,119.80 × 2,871,866
  4. Step 4: Simplify right side
    5,286,314x = 20,950,606,519,546.80
  5. Step 5: Solve for x
    x = 20,950,606,519,546.80/5,286,314
  6. Step 6: Final answer
    x = 3,963,178.60

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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.