Home / 1,969,601.88-2,953,294.67-621,513.21

Finding the Fourth Proportional to 1,969,601.88, 2,953,294.67 and 621,513.21

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Solution

The fourth proportional to 1,969,601.88, 2,953,294.67 and 621,513.21 is: 931,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,601.88 : 2,953,294.67 = 621,513.21 : x
  2. Step 2: Convert to fraction form
    1,969,601.88/2,953,294.67 = 621,513.21/x
  3. Step 3: Cross multiply
    1,969,601.88x = 2,953,294.67 × 621,513.21
  4. Step 4: Simplify right side
    1,969,601.88x = 1,835,511,651,981.37
  5. Step 5: Solve for x
    x = 1,835,511,651,981.37/1,969,601.88
  6. Step 6: Final answer
    x = 931,920.14

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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.