Finding the Fourth Proportional to 5,333,841.21, 7,360,719.39 and 2,886,451.62
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Solution
The fourth proportional to 5,333,841.21, 7,360,719.39 and 2,886,451.62 is: 3,983,313.26
Step by Step Solution
- Step 1: Write the proportion equation
5,333,841.21 : 7,360,719.39 = 2,886,451.62 : x - Step 2: Convert to fraction form
5,333,841.21/7,360,719.39 = 2,886,451.62/x - Step 3: Cross multiply
5,333,841.21x = 7,360,719.39 × 2,886,451.62 - Step 4: Simplify right side
5,333,841.21x = 21,246,360,407,630.91 - Step 5: Solve for x
x = 21,246,360,407,630.91/5,333,841.21 - Step 6: Final answer
x = 3,983,313.26
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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.