Home / 1,986,889.77-2,741,831.69-1,127,398.77

Finding the Fourth Proportional to 1,986,889.77, 2,741,831.69 and 1,127,398.77

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Solution

The fourth proportional to 1,986,889.77, 2,741,831.69 and 1,127,398.77 is: 1,555,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,889.77 : 2,741,831.69 = 1,127,398.77 : x
  2. Step 2: Convert to fraction form
    1,986,889.77/2,741,831.69 = 1,127,398.77/x
  3. Step 3: Cross multiply
    1,986,889.77x = 2,741,831.69 × 1,127,398.77
  4. Step 4: Simplify right side
    1,986,889.77x = 3,091,137,669,216.03
  5. Step 5: Solve for x
    x = 3,091,137,669,216.03/1,986,889.77
  6. Step 6: Final answer
    x = 1,555,767.07

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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.