Home / 1,533,814.21-2,120,489.99-1,151,176.69

Finding the Fourth Proportional to 1,533,814.21, 2,120,489.99 and 1,151,176.69

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Solution

The fourth proportional to 1,533,814.21, 2,120,489.99 and 1,151,176.69 is: 1,591,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,814.21 : 2,120,489.99 = 1,151,176.69 : x
  2. Step 2: Convert to fraction form
    1,533,814.21/2,120,489.99 = 1,151,176.69/x
  3. Step 3: Cross multiply
    1,533,814.21x = 2,120,489.99 × 1,151,176.69
  4. Step 4: Simplify right side
    1,533,814.21x = 2,441,058,647,866.33
  5. Step 5: Solve for x
    x = 2,441,058,647,866.33/1,533,814.21
  6. Step 6: Final answer
    x = 1,591,495.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.