Home / 1,820,887.80-2,512,825.41-1,005,091.65

Finding the Fourth Proportional to 1,820,887.80, 2,512,825.41 and 1,005,091.65

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Solution

The fourth proportional to 1,820,887.80, 2,512,825.41 and 1,005,091.65 is: 1,387,026.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,887.80 : 2,512,825.41 = 1,005,091.65 : x
  2. Step 2: Convert to fraction form
    1,820,887.80/2,512,825.41 = 1,005,091.65/x
  3. Step 3: Cross multiply
    1,820,887.80x = 2,512,825.41 × 1,005,091.65
  4. Step 4: Simplify right side
    1,820,887.80x = 2,525,619,837,498.83
  5. Step 5: Solve for x
    x = 2,525,619,837,498.83/1,820,887.80
  6. Step 6: Final answer
    x = 1,387,026.61

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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.