Home / 1,457,344.05-2,187,910.37-1,120,621.16

Finding the Fourth Proportional to 1,457,344.05, 2,187,910.37 and 1,120,621.16

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Solution

The fourth proportional to 1,457,344.05, 2,187,910.37 and 1,120,621.16 is: 1,682,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,344.05 : 2,187,910.37 = 1,120,621.16 : x
  2. Step 2: Convert to fraction form
    1,457,344.05/2,187,910.37 = 1,120,621.16/x
  3. Step 3: Cross multiply
    1,457,344.05x = 2,187,910.37 × 1,120,621.16
  4. Step 4: Simplify right side
    1,457,344.05x = 2,451,818,660,349.08
  5. Step 5: Solve for x
    x = 2,451,818,660,349.08/1,457,344.05
  6. Step 6: Final answer
    x = 1,682,388.36

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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.