Home / 1,969,615.38-2,953,314.90-621,526.71

Finding the Fourth Proportional to 1,969,615.38, 2,953,314.90 and 621,526.71

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Solution

The fourth proportional to 1,969,615.38, 2,953,314.90 and 621,526.71 is: 931,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,615.38 : 2,953,314.90 = 621,526.71 : x
  2. Step 2: Convert to fraction form
    1,969,615.38/2,953,314.90 = 621,526.71/x
  3. Step 3: Cross multiply
    1,969,615.38x = 2,953,314.90 × 621,526.71
  4. Step 4: Simplify right side
    1,969,615.38x = 1,835,564,093,390.98
  5. Step 5: Solve for x
    x = 1,835,564,093,390.98/1,969,615.38
  6. Step 6: Final answer
    x = 931,940.37

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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.