Finding the Fourth Proportional to 3,909,739.04, 5,891,245.36 and 3,215,322.80
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Solution
The fourth proportional to 3,909,739.04, 5,891,245.36 and 3,215,322.80 is: 4,844,889.99
Step by Step Solution
- Step 1: Write the proportion equation
3,909,739.04 : 5,891,245.36 = 3,215,322.80 : x - Step 2: Convert to fraction form
3,909,739.04/5,891,245.36 = 3,215,322.80/x - Step 3: Cross multiply
3,909,739.04x = 5,891,245.36 × 3,215,322.80 - Step 4: Simplify right side
3,909,739.04x = 18,942,255,526,402.21 - Step 5: Solve for x
x = 18,942,255,526,402.21/3,909,739.04 - Step 6: Final answer
x = 4,844,889.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.