Home / 4,707,131.70-7,061,900.40-1,512,289.20

Finding the Fourth Proportional to 4,707,131.70, 7,061,900.40 and 1,512,289.20

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Solution

The fourth proportional to 4,707,131.70, 7,061,900.40 and 1,512,289.20 is: 2,268,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707,131.70 : 7,061,900.40 = 1,512,289.20 : x
  2. Step 2: Convert to fraction form
    4,707,131.70/7,061,900.40 = 1,512,289.20/x
  3. Step 3: Cross multiply
    4,707,131.70x = 7,061,900.40 × 1,512,289.20
  4. Step 4: Simplify right side
    4,707,131.70x = 10,679,635,706,395.68
  5. Step 5: Solve for x
    x = 10,679,635,706,395.68/4,707,131.70
  6. Step 6: Final answer
    x = 2,268,820.25

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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.