Home / 1,907,143.92-2,631,404.88-1,080,224.64

Finding the Fourth Proportional to 1,907,143.92, 2,631,404.88 and 1,080,224.64

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Solution

The fourth proportional to 1,907,143.92, 2,631,404.88 and 1,080,224.64 is: 1,490,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,143.92 : 2,631,404.88 = 1,080,224.64 : x
  2. Step 2: Convert to fraction form
    1,907,143.92/2,631,404.88 = 1,080,224.64/x
  3. Step 3: Cross multiply
    1,907,143.92x = 2,631,404.88 × 1,080,224.64
  4. Step 4: Simplify right side
    1,907,143.92x = 2,842,508,389,192.24
  5. Step 5: Solve for x
    x = 2,842,508,389,192.24/1,907,143.92
  6. Step 6: Final answer
    x = 1,490,453.01

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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.