Home / 1,754,966.21-2,419,511.38-1,393,586.33

Finding the Fourth Proportional to 1,754,966.21, 2,419,511.38 and 1,393,586.33

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Solution

The fourth proportional to 1,754,966.21, 2,419,511.38 and 1,393,586.33 is: 1,921,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,966.21 : 2,419,511.38 = 1,393,586.33 : x
  2. Step 2: Convert to fraction form
    1,754,966.21/2,419,511.38 = 1,393,586.33/x
  3. Step 3: Cross multiply
    1,754,966.21x = 2,419,511.38 × 1,393,586.33
  4. Step 4: Simplify right side
    1,754,966.21x = 3,371,797,968,865.91
  5. Step 5: Solve for x
    x = 3,371,797,968,865.91/1,754,966.21
  6. Step 6: Final answer
    x = 1,921,289.40

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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.