Home / 1,866,278.59-2,794,933.86-1,065,131.29

Finding the Fourth Proportional to 1,866,278.59, 2,794,933.86 and 1,065,131.29

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Solution

The fourth proportional to 1,866,278.59, 2,794,933.86 and 1,065,131.29 is: 1,595,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,278.59 : 2,794,933.86 = 1,065,131.29 : x
  2. Step 2: Convert to fraction form
    1,866,278.59/2,794,933.86 = 1,065,131.29/x
  3. Step 3: Cross multiply
    1,866,278.59x = 2,794,933.86 × 1,065,131.29
  4. Step 4: Simplify right side
    1,866,278.59x = 2,976,971,491,544.40
  5. Step 5: Solve for x
    x = 2,976,971,491,544.40/1,866,278.59
  6. Step 6: Final answer
    x = 1,595,137.78

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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.