Finding the Fourth Proportional to 2,189,173.18, 3,283,687.95 and 991,095.70
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Solution
The fourth proportional to 2,189,173.18, 3,283,687.95 and 991,095.70 is: 1,486,611.04
Step by Step Solution
- Step 1: Write the proportion equation
2,189,173.18 : 3,283,687.95 = 991,095.70 : x - Step 2: Convert to fraction form
2,189,173.18/3,283,687.95 = 991,095.70/x - Step 3: Cross multiply
2,189,173.18x = 3,283,687.95 × 991,095.70 - Step 4: Simplify right side
2,189,173.18x = 3,254,449,007,386.82 - Step 5: Solve for x
x = 3,254,449,007,386.82/2,189,173.18 - Step 6: Final answer
x = 1,486,611.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.