Home / 3,784,432-5,222,516.16-2,428,142.08

Finding the Fourth Proportional to 3,784,432, 5,222,516.16 and 2,428,142.08

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Solution

The fourth proportional to 3,784,432, 5,222,516.16 and 2,428,142.08 is: 3,350,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,432 : 5,222,516.16 = 2,428,142.08 : x
  2. Step 2: Convert to fraction form
    3,784,432/5,222,516.16 = 2,428,142.08/x
  3. Step 3: Cross multiply
    3,784,432x = 5,222,516.16 × 2,428,142.08
  4. Step 4: Simplify right side
    3,784,432x = 12,681,011,251,576.01
  5. Step 5: Solve for x
    x = 12,681,011,251,576.01/3,784,432
  6. Step 6: Final answer
    x = 3,350,836.07

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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.