Home / 1,913,923.19-2,641,324.15-1,098,119.33

Finding the Fourth Proportional to 1,913,923.19, 2,641,324.15 and 1,098,119.33

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Solution

The fourth proportional to 1,913,923.19, 2,641,324.15 and 1,098,119.33 is: 1,515,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,923.19 : 2,641,324.15 = 1,098,119.33 : x
  2. Step 2: Convert to fraction form
    1,913,923.19/2,641,324.15 = 1,098,119.33/x
  3. Step 3: Cross multiply
    1,913,923.19x = 2,641,324.15 × 1,098,119.33
  4. Step 4: Simplify right side
    1,913,923.19x = 2,900,489,105,910.82
  5. Step 5: Solve for x
    x = 2,900,489,105,910.82/1,913,923.19
  6. Step 6: Final answer
    x = 1,515,467.88

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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.