Home / 3,198,118.77-4,413,415.43-1,747,813.77

Finding the Fourth Proportional to 3,198,118.77, 4,413,415.43 and 1,747,813.77

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Solution

The fourth proportional to 3,198,118.77, 4,413,415.43 and 1,747,813.77 is: 2,411,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,118.77 : 4,413,415.43 = 1,747,813.77 : x
  2. Step 2: Convert to fraction form
    3,198,118.77/4,413,415.43 = 1,747,813.77/x
  3. Step 3: Cross multiply
    3,198,118.77x = 4,413,415.43 × 1,747,813.77
  4. Step 4: Simplify right side
    3,198,118.77x = 7,713,828,252,545.40
  5. Step 5: Solve for x
    x = 7,713,828,252,545.40/3,198,118.77
  6. Step 6: Final answer
    x = 2,411,989.30

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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.