Home / 1,986,917.02-2,741,869.38-1,127,426.02

Finding the Fourth Proportional to 1,986,917.02, 2,741,869.38 and 1,127,426.02

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Solution

The fourth proportional to 1,986,917.02, 2,741,869.38 and 1,127,426.02 is: 1,555,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,917.02 : 2,741,869.38 = 1,127,426.02 : x
  2. Step 2: Convert to fraction form
    1,986,917.02/2,741,869.38 = 1,127,426.02/x
  3. Step 3: Cross multiply
    1,986,917.02x = 2,741,869.38 × 1,127,426.02
  4. Step 4: Simplify right side
    1,986,917.02x = 3,091,254,882,453.27
  5. Step 5: Solve for x
    x = 3,091,254,882,453.27/1,986,917.02
  6. Step 6: Final answer
    x = 1,555,804.72

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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.