Finding the Fourth Proportional to 1,428,985.37, 1,971,926.37 and 848,232.99
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Solution
The fourth proportional to 1,428,985.37, 1,971,926.37 and 848,232.99 is: 1,170,517.94
Step by Step Solution
- Step 1: Write the proportion equation
1,428,985.37 : 1,971,926.37 = 848,232.99 : x - Step 2: Convert to fraction form
1,428,985.37/1,971,926.37 = 848,232.99/x - Step 3: Cross multiply
1,428,985.37x = 1,971,926.37 × 848,232.99 - Step 4: Simplify right side
1,428,985.37x = 1,672,653,000,884.95 - Step 5: Solve for x
x = 1,672,653,000,884.95/1,428,985.37 - Step 6: Final answer
x = 1,170,517.94
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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.