Home / 2,726,343.10-4,089,186.60-1,128,739.60

Finding the Fourth Proportional to 2,726,343.10, 4,089,186.60 and 1,128,739.60

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Solution

The fourth proportional to 2,726,343.10, 4,089,186.60 and 1,128,739.60 is: 1,692,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726,343.10 : 4,089,186.60 = 1,128,739.60 : x
  2. Step 2: Convert to fraction form
    2,726,343.10/4,089,186.60 = 1,128,739.60/x
  3. Step 3: Cross multiply
    2,726,343.10x = 4,089,186.60 × 1,128,739.60
  4. Step 4: Simplify right side
    2,726,343.10x = 4,615,626,847,209.36
  5. Step 5: Solve for x
    x = 4,615,626,847,209.36/2,726,343.10
  6. Step 6: Final answer
    x = 1,692,973.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.