Home / 3,675,689.15-5,513,879.45-1,081,995.61

Finding the Fourth Proportional to 3,675,689.15, 5,513,879.45 and 1,081,995.61

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Solution

The fourth proportional to 3,675,689.15, 5,513,879.45 and 1,081,995.61 is: 1,623,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675,689.15 : 5,513,879.45 = 1,081,995.61 : x
  2. Step 2: Convert to fraction form
    3,675,689.15/5,513,879.45 = 1,081,995.61/x
  3. Step 3: Cross multiply
    3,675,689.15x = 5,513,879.45 × 1,081,995.61
  4. Step 4: Simplify right side
    3,675,689.15x = 5,965,993,358,969.22
  5. Step 5: Solve for x
    x = 5,965,993,358,969.22/3,675,689.15
  6. Step 6: Final answer
    x = 1,623,095.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.