Home / 3,912,020.56-5,398,596.84-2,280,304.72

Finding the Fourth Proportional to 3,912,020.56, 5,398,596.84 and 2,280,304.72

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Solution

The fourth proportional to 3,912,020.56, 5,398,596.84 and 2,280,304.72 is: 3,146,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,020.56 : 5,398,596.84 = 2,280,304.72 : x
  2. Step 2: Convert to fraction form
    3,912,020.56/5,398,596.84 = 2,280,304.72/x
  3. Step 3: Cross multiply
    3,912,020.56x = 5,398,596.84 × 2,280,304.72
  4. Step 4: Simplify right side
    3,912,020.56x = 12,310,445,855,629.09
  5. Step 5: Solve for x
    x = 12,310,445,855,629.09/3,912,020.56
  6. Step 6: Final answer
    x = 3,146,825.45

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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.