Home / 1,938,325.80-2,674,352.58-1,163,755.56

Finding the Fourth Proportional to 1,938,325.80, 2,674,352.58 and 1,163,755.56

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Solution

The fourth proportional to 1,938,325.80, 2,674,352.58 and 1,163,755.56 is: 1,605,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,325.80 : 2,674,352.58 = 1,163,755.56 : x
  2. Step 2: Convert to fraction form
    1,938,325.80/2,674,352.58 = 1,163,755.56/x
  3. Step 3: Cross multiply
    1,938,325.80x = 2,674,352.58 × 1,163,755.56
  4. Step 4: Simplify right side
    1,938,325.80x = 3,112,292,684,375.35
  5. Step 5: Solve for x
    x = 3,112,292,684,375.35/1,938,325.80
  6. Step 6: Final answer
    x = 1,605,660.25

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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.