Home / 1,635,463.05-2,256,485.90-981,919.41

Finding the Fourth Proportional to 1,635,463.05, 2,256,485.90 and 981,919.41

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Solution

The fourth proportional to 1,635,463.05, 2,256,485.90 and 981,919.41 is: 1,354,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,463.05 : 2,256,485.90 = 981,919.41 : x
  2. Step 2: Convert to fraction form
    1,635,463.05/2,256,485.90 = 981,919.41/x
  3. Step 3: Cross multiply
    1,635,463.05x = 2,256,485.90 × 981,919.41
  4. Step 4: Simplify right side
    1,635,463.05x = 2,215,687,298,691.72
  5. Step 5: Solve for x
    x = 2,215,687,298,691.72/1,635,463.05
  6. Step 6: Final answer
    x = 1,354,776.74

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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.