Home / 1,636,164.36-2,257,879.86-957,215.88

Finding the Fourth Proportional to 1,636,164.36, 2,257,879.86 and 957,215.88

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Solution

The fourth proportional to 1,636,164.36, 2,257,879.86 and 957,215.88 is: 1,320,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,164.36 : 2,257,879.86 = 957,215.88 : x
  2. Step 2: Convert to fraction form
    1,636,164.36/2,257,879.86 = 957,215.88/x
  3. Step 3: Cross multiply
    1,636,164.36x = 2,257,879.86 × 957,215.88
  4. Step 4: Simplify right side
    1,636,164.36x = 2,161,278,457,124.18
  5. Step 5: Solve for x
    x = 2,161,278,457,124.18/1,636,164.36
  6. Step 6: Final answer
    x = 1,320,942.14

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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.