Home / 2,141,056-2,954,657.28-1,187,200

Finding the Fourth Proportional to 2,141,056, 2,954,657.28 and 1,187,200

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Solution

The fourth proportional to 2,141,056, 2,954,657.28 and 1,187,200 is: 1,638,336

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,056 : 2,954,657.28 = 1,187,200 : x
  2. Step 2: Convert to fraction form
    2,141,056/2,954,657.28 = 1,187,200/x
  3. Step 3: Cross multiply
    2,141,056x = 2,954,657.28 × 1,187,200
  4. Step 4: Simplify right side
    2,141,056x = 3,507,769,122,816
  5. Step 5: Solve for x
    x = 3,507,769,122,816/2,141,056
  6. Step 6: Final answer
    x = 1,638,336

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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.