Finding the Fourth Proportional to 5,411,889.84, 7,465,576.56 and 3,346,245.12
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Solution
The fourth proportional to 5,411,889.84, 7,465,576.56 and 3,346,245.12 is: 4,616,067.56
Step by Step Solution
- Step 1: Write the proportion equation
5,411,889.84 : 7,465,576.56 = 3,346,245.12 : x - Step 2: Convert to fraction form
5,411,889.84/7,465,576.56 = 3,346,245.12/x - Step 3: Cross multiply
5,411,889.84x = 7,465,576.56 × 3,346,245.12 - Step 4: Simplify right side
5,411,889.84x = 24,981,649,131,886.39 - Step 5: Solve for x
x = 24,981,649,131,886.39/5,411,889.84 - Step 6: Final answer
x = 4,616,067.56
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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.