Home / 1,709,083.14-2,560,243.23-1,389,591.60

Finding the Fourth Proportional to 1,709,083.14, 2,560,243.23 and 1,389,591.60

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Solution

The fourth proportional to 1,709,083.14, 2,560,243.23 and 1,389,591.60 is: 2,081,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,083.14 : 2,560,243.23 = 1,389,591.60 : x
  2. Step 2: Convert to fraction form
    1,709,083.14/2,560,243.23 = 1,389,591.60/x
  3. Step 3: Cross multiply
    1,709,083.14x = 2,560,243.23 × 1,389,591.60
  4. Step 4: Simplify right side
    1,709,083.14x = 3,557,692,486,364.87
  5. Step 5: Solve for x
    x = 3,557,692,486,364.87/1,709,083.14
  6. Step 6: Final answer
    x = 2,081,638.05

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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.