Home / 1,969,410-2,954,115.90-621,709.14

Finding the Fourth Proportional to 1,969,410, 2,954,115.90 and 621,709.14

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Solution

The fourth proportional to 1,969,410, 2,954,115.90 and 621,709.14 is: 932,563.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,410 : 2,954,115.90 = 621,709.14 : x
  2. Step 2: Convert to fraction form
    1,969,410/2,954,115.90 = 621,709.14/x
  3. Step 3: Cross multiply
    1,969,410x = 2,954,115.90 × 621,709.14
  4. Step 4: Simplify right side
    1,969,410x = 1,836,600,855,649.33
  5. Step 5: Solve for x
    x = 1,836,600,855,649.33/1,969,410
  6. Step 6: Final answer
    x = 932,563.99

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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.