Home / 3,686,938.38-5,531,411.16-1,128,096.54

Finding the Fourth Proportional to 3,686,938.38, 5,531,411.16 and 1,128,096.54

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Solution

The fourth proportional to 3,686,938.38, 5,531,411.16 and 1,128,096.54 is: 1,692,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,938.38 : 5,531,411.16 = 1,128,096.54 : x
  2. Step 2: Convert to fraction form
    3,686,938.38/5,531,411.16 = 1,128,096.54/x
  3. Step 3: Cross multiply
    3,686,938.38x = 5,531,411.16 × 1,128,096.54
  4. Step 4: Simplify right side
    3,686,938.38x = 6,239,965,790,913.39
  5. Step 5: Solve for x
    x = 6,239,965,790,913.39/3,686,938.38
  6. Step 6: Final answer
    x = 1,692,451.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.