Home / 1,900,684.80-2,622,944.88-1,136,738.34

Finding the Fourth Proportional to 1,900,684.80, 2,622,944.88 and 1,136,738.34

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Solution

The fourth proportional to 1,900,684.80, 2,622,944.88 and 1,136,738.34 is: 1,568,698.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,684.80 : 2,622,944.88 = 1,136,738.34 : x
  2. Step 2: Convert to fraction form
    1,900,684.80/2,622,944.88 = 1,136,738.34/x
  3. Step 3: Cross multiply
    1,900,684.80x = 2,622,944.88 × 1,136,738.34
  4. Step 4: Simplify right side
    1,900,684.80x = 2,981,602,008,802.70
  5. Step 5: Solve for x
    x = 2,981,602,008,802.70/1,900,684.80
  6. Step 6: Final answer
    x = 1,568,698.82

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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.