Home / 1,969,616.88-2,953,317.15-621,528.21

Finding the Fourth Proportional to 1,969,616.88, 2,953,317.15 and 621,528.21

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Solution

The fourth proportional to 1,969,616.88, 2,953,317.15 and 621,528.21 is: 931,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,616.88 : 2,953,317.15 = 621,528.21 : x
  2. Step 2: Convert to fraction form
    1,969,616.88/2,953,317.15 = 621,528.21/x
  3. Step 3: Cross multiply
    1,969,616.88x = 2,953,317.15 × 621,528.21
  4. Step 4: Simplify right side
    1,969,616.88x = 1,835,569,921,801.80
  5. Step 5: Solve for x
    x = 1,835,569,921,801.80/1,969,616.88
  6. Step 6: Final answer
    x = 931,942.62

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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.