Finding the Fourth Proportional to 3,743,990.02, 5,166,261.84 and 2,112,302.08
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Solution
The fourth proportional to 3,743,990.02, 5,166,261.84 and 2,112,302.08 is: 2,914,726.15
Step by Step Solution
- Step 1: Write the proportion equation
3,743,990.02 : 5,166,261.84 = 2,112,302.08 : x - Step 2: Convert to fraction form
3,743,990.02/5,166,261.84 = 2,112,302.08/x - Step 3: Cross multiply
3,743,990.02x = 5,166,261.84 × 2,112,302.08 - Step 4: Simplify right side
3,743,990.02x = 10,912,705,630,456.63 - Step 5: Solve for x
x = 10,912,705,630,456.63/3,743,990.02 - Step 6: Final answer
x = 2,914,726.15
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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.