Home / 1,911,243.80-2,866,862.77-1,310,383.37

Finding the Fourth Proportional to 1,911,243.80, 2,866,862.77 and 1,310,383.37

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Solution

The fourth proportional to 1,911,243.80, 2,866,862.77 and 1,310,383.37 is: 1,965,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,243.80 : 2,866,862.77 = 1,310,383.37 : x
  2. Step 2: Convert to fraction form
    1,911,243.80/2,866,862.77 = 1,310,383.37/x
  3. Step 3: Cross multiply
    1,911,243.80x = 2,866,862.77 × 1,310,383.37
  4. Step 4: Simplify right side
    1,911,243.80x = 3,756,689,301,771.33
  5. Step 5: Solve for x
    x = 3,756,689,301,771.33/1,911,243.80
  6. Step 6: Final answer
    x = 1,965,573.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.