Finding the Fourth Proportional to 3,839,965.10, 5,759,908.18 and 2,219,702.96
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Solution
The fourth proportional to 3,839,965.10, 5,759,908.18 and 2,219,702.96 is: 3,329,531.62
Step by Step Solution
- Step 1: Write the proportion equation
3,839,965.10 : 5,759,908.18 = 2,219,702.96 : x - Step 2: Convert to fraction form
3,839,965.10/5,759,908.18 = 2,219,702.96/x - Step 3: Cross multiply
3,839,965.10x = 5,759,908.18 × 2,219,702.96 - Step 4: Simplify right side
3,839,965.10x = 12,785,285,236,474.21 - Step 5: Solve for x
x = 12,785,285,236,474.21/3,839,965.10 - Step 6: Final answer
x = 3,329,531.62
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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.