Finding the Fourth Proportional to 4,914,621.48, 6,782,245.54 and 2,739,104.04
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Solution
The fourth proportional to 4,914,621.48, 6,782,245.54 and 2,739,104.04 is: 3,780,001.42
Step by Step Solution
- Step 1: Write the proportion equation
4,914,621.48 : 6,782,245.54 = 2,739,104.04 : x - Step 2: Convert to fraction form
4,914,621.48/6,782,245.54 = 2,739,104.04/x - Step 3: Cross multiply
4,914,621.48x = 6,782,245.54 × 2,739,104.04 - Step 4: Simplify right side
4,914,621.48x = 18,577,276,158,885.98 - Step 5: Solve for x
x = 18,577,276,158,885.98/4,914,621.48 - Step 6: Final answer
x = 3,780,001.42
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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.