Finding the Fourth Proportional to 2,439,702.20, 3,366,896.10 and 1,351,971.32
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Solution
The fourth proportional to 2,439,702.20, 3,366,896.10 and 1,351,971.32 is: 1,865,779.75
Step by Step Solution
- Step 1: Write the proportion equation
2,439,702.20 : 3,366,896.10 = 1,351,971.32 : x - Step 2: Convert to fraction form
2,439,702.20/3,366,896.10 = 1,351,971.32/x - Step 3: Cross multiply
2,439,702.20x = 3,366,896.10 × 1,351,971.32 - Step 4: Simplify right side
2,439,702.20x = 4,551,946,964,619.85 - Step 5: Solve for x
x = 4,551,946,964,619.85/2,439,702.20 - Step 6: Final answer
x = 1,865,779.75
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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.