Home / 2,089,338.81-2,883,885.42-1,230,397.29

Finding the Fourth Proportional to 2,089,338.81, 2,883,885.42 and 1,230,397.29

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Solution

The fourth proportional to 2,089,338.81, 2,883,885.42 and 1,230,397.29 is: 1,698,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,338.81 : 2,883,885.42 = 1,230,397.29 : x
  2. Step 2: Convert to fraction form
    2,089,338.81/2,883,885.42 = 1,230,397.29/x
  3. Step 3: Cross multiply
    2,089,338.81x = 2,883,885.42 × 1,230,397.29
  4. Step 4: Simplify right side
    2,089,338.81x = 3,548,324,810,052.50
  5. Step 5: Solve for x
    x = 3,548,324,810,052.50/2,089,338.81
  6. Step 6: Final answer
    x = 1,698,300.34

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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.