Home / 2,085,786-2,878,384.68-1,131,930

Finding the Fourth Proportional to 2,085,786, 2,878,384.68 and 1,131,930

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Solution

The fourth proportional to 2,085,786, 2,878,384.68 and 1,131,930 is: 1,562,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,786 : 2,878,384.68 = 1,131,930 : x
  2. Step 2: Convert to fraction form
    2,085,786/2,878,384.68 = 1,131,930/x
  3. Step 3: Cross multiply
    2,085,786x = 2,878,384.68 × 1,131,930
  4. Step 4: Simplify right side
    2,085,786x = 3,258,129,970,832.40
  5. Step 5: Solve for x
    x = 3,258,129,970,832.40/2,085,786
  6. Step 6: Final answer
    x = 1,562,063.40

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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.