Home / 2,726,292.40-4,089,438.60-931,202.80

Finding the Fourth Proportional to 2,726,292.40, 4,089,438.60 and 931,202.80

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Solution

The fourth proportional to 2,726,292.40, 4,089,438.60 and 931,202.80 is: 1,396,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726,292.40 : 4,089,438.60 = 931,202.80 : x
  2. Step 2: Convert to fraction form
    2,726,292.40/4,089,438.60 = 931,202.80/x
  3. Step 3: Cross multiply
    2,726,292.40x = 4,089,438.60 × 931,202.80
  4. Step 4: Simplify right side
    2,726,292.40x = 3,808,096,674,748.08
  5. Step 5: Solve for x
    x = 3,808,096,674,748.08/2,726,292.40
  6. Step 6: Final answer
    x = 1,396,804.20

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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.