Home / 1,853,645.80-2,555,851.80-1,485,828.84

Finding the Fourth Proportional to 1,853,645.80, 2,555,851.80 and 1,485,828.84

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Solution

The fourth proportional to 1,853,645.80, 2,555,851.80 and 1,485,828.84 is: 2,048,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,645.80 : 2,555,851.80 = 1,485,828.84 : x
  2. Step 2: Convert to fraction form
    1,853,645.80/2,555,851.80 = 1,485,828.84/x
  3. Step 3: Cross multiply
    1,853,645.80x = 2,555,851.80 × 1,485,828.84
  4. Step 4: Simplify right side
    1,853,645.80x = 3,797,558,315,205.91
  5. Step 5: Solve for x
    x = 3,797,558,315,205.91/1,853,645.80
  6. Step 6: Final answer
    x = 2,048,696.85

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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.