Finding the Fourth Proportional to 5,321,166.39, 7,343,207.80 and 2,873,777.96
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Solution
The fourth proportional to 5,321,166.39, 7,343,207.80 and 2,873,777.96 is: 3,965,812.60
Step by Step Solution
- Step 1: Write the proportion equation
5,321,166.39 : 7,343,207.80 = 2,873,777.96 : x - Step 2: Convert to fraction form
5,321,166.39/7,343,207.80 = 2,873,777.96/x - Step 3: Cross multiply
5,321,166.39x = 7,343,207.80 × 2,873,777.96 - Step 4: Simplify right side
5,321,166.39x = 21,102,748,742,513.66 - Step 5: Solve for x
x = 21,102,748,742,513.66/5,321,166.39 - Step 6: Final answer
x = 3,965,812.60
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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.