Home / 4,918,728.80-6,787,857.76-2,743,412.86

Finding the Fourth Proportional to 4,918,728.80, 6,787,857.76 and 2,743,412.86

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Solution

The fourth proportional to 4,918,728.80, 6,787,857.76 and 2,743,412.86 is: 3,785,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918,728.80 : 6,787,857.76 = 2,743,412.86 : x
  2. Step 2: Convert to fraction form
    4,918,728.80/6,787,857.76 = 2,743,412.86/x
  3. Step 3: Cross multiply
    4,918,728.80x = 6,787,857.76 × 2,743,412.86
  4. Step 4: Simplify right side
    4,918,728.80x = 18,621,896,270,634.79
  5. Step 5: Solve for x
    x = 18,621,896,270,634.79/4,918,728.80
  6. Step 6: Final answer
    x = 3,785,916.45

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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.