Home / 1,965,227.24-2,712,137.48-1,190,925.78

Finding the Fourth Proportional to 1,965,227.24, 2,712,137.48 and 1,190,925.78

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Solution

The fourth proportional to 1,965,227.24, 2,712,137.48 and 1,190,925.78 is: 1,643,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,227.24 : 2,712,137.48 = 1,190,925.78 : x
  2. Step 2: Convert to fraction form
    1,965,227.24/2,712,137.48 = 1,190,925.78/x
  3. Step 3: Cross multiply
    1,965,227.24x = 2,712,137.48 × 1,190,925.78
  4. Step 4: Simplify right side
    1,965,227.24x = 3,229,954,437,881.61
  5. Step 5: Solve for x
    x = 3,229,954,437,881.61/1,965,227.24
  6. Step 6: Final answer
    x = 1,643,552.65

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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.