Home / 3,746,400.11-5,619,126.14-1,187,639.72

Finding the Fourth Proportional to 3,746,400.11, 5,619,126.14 and 1,187,639.72

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Solution

The fourth proportional to 3,746,400.11, 5,619,126.14 and 1,187,639.72 is: 1,781,309.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746,400.11 : 5,619,126.14 = 1,187,639.72 : x
  2. Step 2: Convert to fraction form
    3,746,400.11/5,619,126.14 = 1,187,639.72/x
  3. Step 3: Cross multiply
    3,746,400.11x = 5,619,126.14 × 1,187,639.72
  4. Step 4: Simplify right side
    3,746,400.11x = 6,673,497,395,554.28
  5. Step 5: Solve for x
    x = 6,673,497,395,554.28/3,746,400.11
  6. Step 6: Final answer
    x = 1,781,309.31

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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.