Home / 1,863,665.43-2,565,511.43-1,379,317.83

Finding the Fourth Proportional to 1,863,665.43, 2,565,511.43 and 1,379,317.83

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Solution

The fourth proportional to 1,863,665.43, 2,565,511.43 and 1,379,317.83 is: 1,898,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,665.43 : 2,565,511.43 = 1,379,317.83 : x
  2. Step 2: Convert to fraction form
    1,863,665.43/2,565,511.43 = 1,379,317.83/x
  3. Step 3: Cross multiply
    1,863,665.43x = 2,565,511.43 × 1,379,317.83
  4. Step 4: Simplify right side
    1,863,665.43x = 3,538,655,651,571.21
  5. Step 5: Solve for x
    x = 3,538,655,651,571.21/1,863,665.43
  6. Step 6: Final answer
    x = 1,898,761.22

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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.