Home / 1,898,171.27-2,619,476.48-1,038,731.57

Finding the Fourth Proportional to 1,898,171.27, 2,619,476.48 and 1,038,731.57

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Solution

The fourth proportional to 1,898,171.27, 2,619,476.48 and 1,038,731.57 is: 1,433,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,171.27 : 2,619,476.48 = 1,038,731.57 : x
  2. Step 2: Convert to fraction form
    1,898,171.27/2,619,476.48 = 1,038,731.57/x
  3. Step 3: Cross multiply
    1,898,171.27x = 2,619,476.48 × 1,038,731.57
  4. Step 4: Simplify right side
    1,898,171.27x = 2,720,932,906,147.92
  5. Step 5: Solve for x
    x = 2,720,932,906,147.92/1,898,171.27
  6. Step 6: Final answer
    x = 1,433,449.63

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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.