Home / 1,938,593.44-2,675,130.06-1,079,131.60

Finding the Fourth Proportional to 1,938,593.44, 2,675,130.06 and 1,079,131.60

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Solution

The fourth proportional to 1,938,593.44, 2,675,130.06 and 1,079,131.60 is: 1,489,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,593.44 : 2,675,130.06 = 1,079,131.60 : x
  2. Step 2: Convert to fraction form
    1,938,593.44/2,675,130.06 = 1,079,131.60/x
  3. Step 3: Cross multiply
    1,938,593.44x = 2,675,130.06 × 1,079,131.60
  4. Step 4: Simplify right side
    1,938,593.44x = 2,886,817,381,855.90
  5. Step 5: Solve for x
    x = 2,886,817,381,855.90/1,938,593.44
  6. Step 6: Final answer
    x = 1,489,129.86

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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.