Home / 1,857,178.26-2,563,967.83-1,420,791.57

Finding the Fourth Proportional to 1,857,178.26, 2,563,967.83 and 1,420,791.57

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Solution

The fourth proportional to 1,857,178.26, 2,563,967.83 and 1,420,791.57 is: 1,961,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,178.26 : 2,563,967.83 = 1,420,791.57 : x
  2. Step 2: Convert to fraction form
    1,857,178.26/2,563,967.83 = 1,420,791.57/x
  3. Step 3: Cross multiply
    1,857,178.26x = 2,563,967.83 × 1,420,791.57
  4. Step 4: Simplify right side
    1,857,178.26x = 3,642,863,888,577.09
  5. Step 5: Solve for x
    x = 3,642,863,888,577.09/1,857,178.26
  6. Step 6: Final answer
    x = 1,961,504.70

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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.