Home / 1,997,716.41-2,757,598.33-1,309,432.61

Finding the Fourth Proportional to 1,997,716.41, 2,757,598.33 and 1,309,432.61

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Solution

The fourth proportional to 1,997,716.41, 2,757,598.33 and 1,309,432.61 is: 1,807,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,716.41 : 2,757,598.33 = 1,309,432.61 : x
  2. Step 2: Convert to fraction form
    1,997,716.41/2,757,598.33 = 1,309,432.61/x
  3. Step 3: Cross multiply
    1,997,716.41x = 2,757,598.33 × 1,309,432.61
  4. Step 4: Simplify right side
    1,997,716.41x = 3,610,889,178,583.54
  5. Step 5: Solve for x
    x = 3,610,889,178,583.54/1,997,716.41
  6. Step 6: Final answer
    x = 1,807,508.39

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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.