Finding the Fourth Proportional to 2,067,591.42, 2,852,858.04 and 1,207,985.60
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Solution
The fourth proportional to 2,067,591.42, 2,852,858.04 and 1,207,985.60 is: 1,666,775.84
Step by Step Solution
- Step 1: Write the proportion equation
2,067,591.42 : 2,852,858.04 = 1,207,985.60 : x - Step 2: Convert to fraction form
2,067,591.42/2,852,858.04 = 1,207,985.60/x - Step 3: Cross multiply
2,067,591.42x = 2,852,858.04 × 1,207,985.60 - Step 4: Simplify right side
2,067,591.42x = 3,446,211,431,164.22 - Step 5: Solve for x
x = 3,446,211,431,164.22/2,067,591.42 - Step 6: Final answer
x = 1,666,775.84
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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.