Home / 2,963,835.81-4,089,867.44-1,802,120.72

Finding the Fourth Proportional to 2,963,835.81, 4,089,867.44 and 1,802,120.72

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Solution

The fourth proportional to 2,963,835.81, 4,089,867.44 and 1,802,120.72 is: 2,486,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963,835.81 : 4,089,867.44 = 1,802,120.72 : x
  2. Step 2: Convert to fraction form
    2,963,835.81/4,089,867.44 = 1,802,120.72/x
  3. Step 3: Cross multiply
    2,963,835.81x = 4,089,867.44 × 1,802,120.72
  4. Step 4: Simplify right side
    2,963,835.81x = 7,370,434,826,217.42
  5. Step 5: Solve for x
    x = 7,370,434,826,217.42/2,963,835.81
  6. Step 6: Final answer
    x = 2,486,789.18

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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.