Finding the Fourth Proportional to 1,960,474.68, 2,705,137.74 and 1,225,342.26
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Solution
The fourth proportional to 1,960,474.68, 2,705,137.74 and 1,225,342.26 is: 1,690,773.99
Step by Step Solution
- Step 1: Write the proportion equation
1,960,474.68 : 2,705,137.74 = 1,225,342.26 : x - Step 2: Convert to fraction form
1,960,474.68/2,705,137.74 = 1,225,342.26/x - Step 3: Cross multiply
1,960,474.68x = 2,705,137.74 × 1,225,342.26 - Step 4: Simplify right side
1,960,474.68x = 3,314,719,591,942.89 - Step 5: Solve for x
x = 3,314,719,591,942.89/1,960,474.68 - Step 6: Final answer
x = 1,690,773.99
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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.