Home / 5,279,931-7,286,304.78-2,865,483

Finding the Fourth Proportional to 5,279,931, 7,286,304.78 and 2,865,483

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Solution

The fourth proportional to 5,279,931, 7,286,304.78 and 2,865,483 is: 3,954,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,931 : 7,286,304.78 = 2,865,483 : x
  2. Step 2: Convert to fraction form
    5,279,931/7,286,304.78 = 2,865,483/x
  3. Step 3: Cross multiply
    5,279,931x = 7,286,304.78 × 2,865,483
  4. Step 4: Simplify right side
    5,279,931x = 20,878,782,479,908.74
  5. Step 5: Solve for x
    x = 20,878,782,479,908.74/5,279,931
  6. Step 6: Final answer
    x = 3,954,366.54

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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.