Home / 1,747,384.50-2,621,513.45-1,388,907.87

Finding the Fourth Proportional to 1,747,384.50, 2,621,513.45 and 1,388,907.87

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Solution

The fourth proportional to 1,747,384.50, 2,621,513.45 and 1,388,907.87 is: 2,083,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,384.50 : 2,621,513.45 = 1,388,907.87 : x
  2. Step 2: Convert to fraction form
    1,747,384.50/2,621,513.45 = 1,388,907.87/x
  3. Step 3: Cross multiply
    1,747,384.50x = 2,621,513.45 × 1,388,907.87
  4. Step 4: Simplify right side
    1,747,384.50x = 3,641,040,662,015.85
  5. Step 5: Solve for x
    x = 3,641,040,662,015.85/1,747,384.50
  6. Step 6: Final answer
    x = 2,083,708.92

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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.