Home / 1,925,173.77-2,656,887.38-1,098,265.56

Finding the Fourth Proportional to 1,925,173.77, 2,656,887.38 and 1,098,265.56

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Solution

The fourth proportional to 1,925,173.77, 2,656,887.38 and 1,098,265.56 is: 1,515,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,173.77 : 2,656,887.38 = 1,098,265.56 : x
  2. Step 2: Convert to fraction form
    1,925,173.77/2,656,887.38 = 1,098,265.56/x
  3. Step 3: Cross multiply
    1,925,173.77x = 2,656,887.38 × 1,098,265.56
  4. Step 4: Simplify right side
    1,925,173.77x = 2,917,967,906,252.63
  5. Step 5: Solve for x
    x = 2,917,967,906,252.63/1,925,173.77
  6. Step 6: Final answer
    x = 1,515,690.66

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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.