Finding the Fourth Proportional to 2,104,584.82, 2,905,116.84 and 1,379,479.24
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Solution
The fourth proportional to 2,104,584.82, 2,905,116.84 and 1,379,479.24 is: 1,904,199.03
Step by Step Solution
- Step 1: Write the proportion equation
2,104,584.82 : 2,905,116.84 = 1,379,479.24 : x - Step 2: Convert to fraction form
2,104,584.82/2,905,116.84 = 1,379,479.24/x - Step 3: Cross multiply
2,104,584.82x = 2,905,116.84 × 1,379,479.24 - Step 4: Simplify right side
2,104,584.82x = 4,007,548,370,554.40 - Step 5: Solve for x
x = 4,007,548,370,554.40/2,104,584.82 - Step 6: Final answer
x = 1,904,199.03
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1.5x scale
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.