Finding the Fourth Proportional to 1,682,780.97, 2,322,228.54 and 918,829.05
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Solution
The fourth proportional to 1,682,780.97, 2,322,228.54 and 918,829.05 is: 1,267,979.07
Step by Step Solution
- Step 1: Write the proportion equation
1,682,780.97 : 2,322,228.54 = 918,829.05 : x - Step 2: Convert to fraction form
1,682,780.97/2,322,228.54 = 918,829.05/x - Step 3: Cross multiply
1,682,780.97x = 2,322,228.54 × 918,829.05 - Step 4: Simplify right side
1,682,780.97x = 2,133,731,043,291.09 - Step 5: Solve for x
x = 2,133,731,043,291.09/1,682,780.97 - Step 6: Final answer
x = 1,267,979.07
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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.