Home / 1,638,894.56-2,260,870.56-1,095,163.84

Finding the Fourth Proportional to 1,638,894.56, 2,260,870.56 and 1,095,163.84

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Solution

The fourth proportional to 1,638,894.56, 2,260,870.56 and 1,095,163.84 is: 1,510,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,894.56 : 2,260,870.56 = 1,095,163.84 : x
  2. Step 2: Convert to fraction form
    1,638,894.56/2,260,870.56 = 1,095,163.84/x
  3. Step 3: Cross multiply
    1,638,894.56x = 2,260,870.56 × 1,095,163.84
  4. Step 4: Simplify right side
    1,638,894.56x = 2,476,023,684,232.55
  5. Step 5: Solve for x
    x = 2,476,023,684,232.55/1,638,894.56
  6. Step 6: Final answer
    x = 1,510,788.88

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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.