Finding the Fourth Proportional to 3,228,376.12, 4,454,984.14 and 1,777,787.96
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Solution
The fourth proportional to 3,228,376.12, 4,454,984.14 and 1,777,787.96 is: 2,453,251.07
Step by Step Solution
- Step 1: Write the proportion equation
3,228,376.12 : 4,454,984.14 = 1,777,787.96 : x - Step 2: Convert to fraction form
3,228,376.12/4,454,984.14 = 1,777,787.96/x - Step 3: Cross multiply
3,228,376.12x = 4,454,984.14 × 1,777,787.96 - Step 4: Simplify right side
3,228,376.12x = 7,920,017,166,082.95 - Step 5: Solve for x
x = 7,920,017,166,082.95/3,228,376.12 - Step 6: Final answer
x = 2,453,251.07
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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.