Finding the Fourth Proportional to 1,367,815.68, 1,885,858.56 and 883,560.96
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Solution
The fourth proportional to 1,367,815.68, 1,885,858.56 and 883,560.96 is: 1,218,198.49
Step by Step Solution
- Step 1: Write the proportion equation
1,367,815.68 : 1,885,858.56 = 883,560.96 : x - Step 2: Convert to fraction form
1,367,815.68/1,885,858.56 = 883,560.96/x - Step 3: Cross multiply
1,367,815.68x = 1,885,858.56 × 883,560.96 - Step 4: Simplify right side
1,367,815.68x = 1,666,270,999,697.82 - Step 5: Solve for x
x = 1,666,270,999,697.82/1,367,815.68 - Step 6: Final answer
x = 1,218,198.49
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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.