Finding the Fourth Proportional to 2,517,679.12, 3,474,397.12 and 1,371,759.48
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Solution
The fourth proportional to 2,517,679.12, 3,474,397.12 and 1,371,759.48 is: 1,893,028.05
Step by Step Solution
- Step 1: Write the proportion equation
2,517,679.12 : 3,474,397.12 = 1,371,759.48 : x - Step 2: Convert to fraction form
2,517,679.12/3,474,397.12 = 1,371,759.48/x - Step 3: Cross multiply
2,517,679.12x = 3,474,397.12 × 1,371,759.48 - Step 4: Simplify right side
2,517,679.12x = 4,766,037,186,644.70 - Step 5: Solve for x
x = 4,766,037,186,644.70/2,517,679.12 - Step 6: Final answer
x = 1,893,028.05
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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.