Home / 1,770,812.80-2,642,407.94-1,579,961.20

Finding the Fourth Proportional to 1,770,812.80, 2,642,407.94 and 1,579,961.20

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Solution

The fourth proportional to 1,770,812.80, 2,642,407.94 and 1,579,961.20 is: 2,357,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,812.80 : 2,642,407.94 = 1,579,961.20 : x
  2. Step 2: Convert to fraction form
    1,770,812.80/2,642,407.94 = 1,579,961.20/x
  3. Step 3: Cross multiply
    1,770,812.80x = 2,642,407.94 × 1,579,961.20
  4. Step 4: Simplify right side
    1,770,812.80x = 4,174,902,019,771.93
  5. Step 5: Solve for x
    x = 4,174,902,019,771.93/1,770,812.80
  6. Step 6: Final answer
    x = 2,357,619.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.