Home / 5,079,201.12-7,619,034.96-1,292,716.80

Finding the Fourth Proportional to 5,079,201.12, 7,619,034.96 and 1,292,716.80

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Solution

The fourth proportional to 5,079,201.12, 7,619,034.96 and 1,292,716.80 is: 1,939,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079,201.12 : 7,619,034.96 = 1,292,716.80 : x
  2. Step 2: Convert to fraction form
    5,079,201.12/7,619,034.96 = 1,292,716.80/x
  3. Step 3: Cross multiply
    5,079,201.12x = 7,619,034.96 × 1,292,716.80
  4. Step 4: Simplify right side
    5,079,201.12x = 9,849,254,492,579.33
  5. Step 5: Solve for x
    x = 9,849,254,492,579.33/5,079,201.12
  6. Step 6: Final answer
    x = 1,939,134.57

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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.