Home / 3,884,831.90-5,361,102.68-2,142,568.67

Finding the Fourth Proportional to 3,884,831.90, 5,361,102.68 and 2,142,568.67

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Solution

The fourth proportional to 3,884,831.90, 5,361,102.68 and 2,142,568.67 is: 2,956,763.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,831.90 : 5,361,102.68 = 2,142,568.67 : x
  2. Step 2: Convert to fraction form
    3,884,831.90/5,361,102.68 = 2,142,568.67/x
  3. Step 3: Cross multiply
    3,884,831.90x = 5,361,102.68 × 2,142,568.67
  4. Step 4: Simplify right side
    3,884,831.90x = 11,486,530,641,510.95
  5. Step 5: Solve for x
    x = 11,486,530,641,510.95/3,884,831.90
  6. Step 6: Final answer
    x = 2,956,763.88

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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.