Home / 2,169,351.15-2,993,639.71-1,189,256.69

Finding the Fourth Proportional to 2,169,351.15, 2,993,639.71 and 1,189,256.69

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Solution

The fourth proportional to 2,169,351.15, 2,993,639.71 and 1,189,256.69 is: 1,641,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,351.15 : 2,993,639.71 = 1,189,256.69 : x
  2. Step 2: Convert to fraction form
    2,169,351.15/2,993,639.71 = 1,189,256.69/x
  3. Step 3: Cross multiply
    2,169,351.15x = 2,993,639.71 × 1,189,256.69
  4. Step 4: Simplify right side
    2,169,351.15x = 3,560,206,047,543.58
  5. Step 5: Solve for x
    x = 3,560,206,047,543.58/2,169,351.15
  6. Step 6: Final answer
    x = 1,641,138.66

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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.