Finding the Fourth Proportional to 3,260,455.93, 4,890,815.12 and 831,672.15
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Solution
The fourth proportional to 3,260,455.93, 4,890,815.12 and 831,672.15 is: 1,247,541.70
Step by Step Solution
- Step 1: Write the proportion equation
3,260,455.93 : 4,890,815.12 = 831,672.15 : x - Step 2: Convert to fraction form
3,260,455.93/4,890,815.12 = 831,672.15/x - Step 3: Cross multiply
3,260,455.93x = 4,890,815.12 × 831,672.15 - Step 4: Simplify right side
3,260,455.93x = 4,067,554,726,102.91 - Step 5: Solve for x
x = 4,067,554,726,102.91/3,260,455.93 - Step 6: Final answer
x = 1,247,541.70
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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.