Home / 1,945,126.90-2,684,278.20-1,085,686.93

Finding the Fourth Proportional to 1,945,126.90, 2,684,278.20 and 1,085,686.93

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Solution

The fourth proportional to 1,945,126.90, 2,684,278.20 and 1,085,686.93 is: 1,498,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,126.90 : 2,684,278.20 = 1,085,686.93 : x
  2. Step 2: Convert to fraction form
    1,945,126.90/2,684,278.20 = 1,085,686.93/x
  3. Step 3: Cross multiply
    1,945,126.90x = 2,684,278.20 × 1,085,686.93
  4. Step 4: Simplify right side
    1,945,126.90x = 2,914,285,758,223.93
  5. Step 5: Solve for x
    x = 2,914,285,758,223.93/1,945,126.90
  6. Step 6: Final answer
    x = 1,498,249.68

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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.