Home / 1,914,771.15-2,642,400.27-1,055,333.61

Finding the Fourth Proportional to 1,914,771.15, 2,642,400.27 and 1,055,333.61

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Solution

The fourth proportional to 1,914,771.15, 2,642,400.27 and 1,055,333.61 is: 1,456,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,771.15 : 2,642,400.27 = 1,055,333.61 : x
  2. Step 2: Convert to fraction form
    1,914,771.15/2,642,400.27 = 1,055,333.61/x
  3. Step 3: Cross multiply
    1,914,771.15x = 2,642,400.27 × 1,055,333.61
  4. Step 4: Simplify right side
    1,914,771.15x = 2,788,613,816,004.08
  5. Step 5: Solve for x
    x = 2,788,613,816,004.08/1,914,771.15
  6. Step 6: Final answer
    x = 1,456,369.25

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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.