Home / 1,611,101.76-2,223,316.80-885,994.08

Finding the Fourth Proportional to 1,611,101.76, 2,223,316.80 and 885,994.08

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Solution

The fourth proportional to 1,611,101.76, 2,223,316.80 and 885,994.08 is: 1,222,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,101.76 : 2,223,316.80 = 885,994.08 : x
  2. Step 2: Convert to fraction form
    1,611,101.76/2,223,316.80 = 885,994.08/x
  3. Step 3: Cross multiply
    1,611,101.76x = 2,223,316.80 × 885,994.08
  4. Step 4: Simplify right side
    1,611,101.76x = 1,969,845,522,764.54
  5. Step 5: Solve for x
    x = 1,969,845,522,764.54/1,611,101.76
  6. Step 6: Final answer
    x = 1,222,669.83

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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.