Home / 1,969,937.90-2,954,906.85-1,130,129.90

Finding the Fourth Proportional to 1,969,937.90, 2,954,906.85 and 1,130,129.90

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Solution

The fourth proportional to 1,969,937.90, 2,954,906.85 and 1,130,129.90 is: 1,695,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,937.90 : 2,954,906.85 = 1,130,129.90 : x
  2. Step 2: Convert to fraction form
    1,969,937.90/2,954,906.85 = 1,130,129.90/x
  3. Step 3: Cross multiply
    1,969,937.90x = 2,954,906.85 × 1,130,129.90
  4. Step 4: Simplify right side
    1,969,937.90x = 3,339,428,582,899.82
  5. Step 5: Solve for x
    x = 3,339,428,582,899.82/1,969,937.90
  6. Step 6: Final answer
    x = 1,695,194.85

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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.