Home / 1,998,360.88-2,757,669.78-1,139,197.93

Finding the Fourth Proportional to 1,998,360.88, 2,757,669.78 and 1,139,197.93

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Solution

The fourth proportional to 1,998,360.88, 2,757,669.78 and 1,139,197.93 is: 1,572,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,360.88 : 2,757,669.78 = 1,139,197.93 : x
  2. Step 2: Convert to fraction form
    1,998,360.88/2,757,669.78 = 1,139,197.93/x
  3. Step 3: Cross multiply
    1,998,360.88x = 2,757,669.78 × 1,139,197.93
  4. Step 4: Simplify right side
    1,998,360.88x = 3,141,531,704,999.56
  5. Step 5: Solve for x
    x = 3,141,531,704,999.56/1,998,360.88
  6. Step 6: Final answer
    x = 1,572,054.25

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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.