Home / 1,801,905.60-2,486,629.38-986,109.80

Finding the Fourth Proportional to 1,801,905.60, 2,486,629.38 and 986,109.80

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Solution

The fourth proportional to 1,801,905.60, 2,486,629.38 and 986,109.80 is: 1,360,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801,905.60 : 2,486,629.38 = 986,109.80 : x
  2. Step 2: Convert to fraction form
    1,801,905.60/2,486,629.38 = 986,109.80/x
  3. Step 3: Cross multiply
    1,801,905.60x = 2,486,629.38 × 986,109.80
  4. Step 4: Simplify right side
    1,801,905.60x = 2,452,089,600,585.92
  5. Step 5: Solve for x
    x = 2,452,089,600,585.92/1,801,905.60
  6. Step 6: Final answer
    x = 1,360,831.33

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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.