Home / 2,412,391-3,620,245.38-836,455

Finding the Fourth Proportional to 2,412,391, 3,620,245.38 and 836,455

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Solution

The fourth proportional to 2,412,391, 3,620,245.38 and 836,455 is: 1,255,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,391 : 3,620,245.38 = 836,455 : x
  2. Step 2: Convert to fraction form
    2,412,391/3,620,245.38 = 836,455/x
  3. Step 3: Cross multiply
    2,412,391x = 3,620,245.38 × 836,455
  4. Step 4: Simplify right side
    2,412,391x = 3,028,172,349,327.90
  5. Step 5: Solve for x
    x = 3,028,172,349,327.90/2,412,391
  6. Step 6: Final answer
    x = 1,255,257.69

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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.