Home / 1,898,151.38-2,619,449.14-1,038,711.82

Finding the Fourth Proportional to 1,898,151.38, 2,619,449.14 and 1,038,711.82

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Solution

The fourth proportional to 1,898,151.38, 2,619,449.14 and 1,038,711.82 is: 1,433,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,151.38 : 2,619,449.14 = 1,038,711.82 : x
  2. Step 2: Convert to fraction form
    1,898,151.38/2,619,449.14 = 1,038,711.82/x
  3. Step 3: Cross multiply
    1,898,151.38x = 2,619,449.14 × 1,038,711.82
  4. Step 4: Simplify right side
    1,898,151.38x = 2,720,852,783,606.84
  5. Step 5: Solve for x
    x = 2,720,852,783,606.84/1,898,151.38
  6. Step 6: Final answer
    x = 1,433,422.44

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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.