Home / 1,986,424.24-2,741,075.76-1,115,059.46

Finding the Fourth Proportional to 1,986,424.24, 2,741,075.76 and 1,115,059.46

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Solution

The fourth proportional to 1,986,424.24, 2,741,075.76 and 1,115,059.46 is: 1,538,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,424.24 : 2,741,075.76 = 1,115,059.46 : x
  2. Step 2: Convert to fraction form
    1,986,424.24/2,741,075.76 = 1,115,059.46/x
  3. Step 3: Cross multiply
    1,986,424.24x = 2,741,075.76 × 1,115,059.46
  4. Step 4: Simplify right side
    1,986,424.24x = 3,056,462,456,764.69
  5. Step 5: Solve for x
    x = 3,056,462,456,764.69/1,986,424.24
  6. Step 6: Final answer
    x = 1,538,675.57

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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.