Home / 1,691,214.72-2,332,520.96-1,486,831.36

Finding the Fourth Proportional to 1,691,214.72, 2,332,520.96 and 1,486,831.36

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Solution

The fourth proportional to 1,691,214.72, 2,332,520.96 and 1,486,831.36 is: 2,050,635.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,214.72 : 2,332,520.96 = 1,486,831.36 : x
  2. Step 2: Convert to fraction form
    1,691,214.72/2,332,520.96 = 1,486,831.36/x
  3. Step 3: Cross multiply
    1,691,214.72x = 2,332,520.96 × 1,486,831.36
  4. Step 4: Simplify right side
    1,691,214.72x = 3,468,065,311,185.31
  5. Step 5: Solve for x
    x = 3,468,065,311,185.31/1,691,214.72
  6. Step 6: Final answer
    x = 2,050,635.72

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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.