Finding the Fourth Proportional to 5,149,932.96, 7,106,576.24 and 3,216,077.36
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Solution
The fourth proportional to 5,149,932.96, 7,106,576.24 and 3,216,077.36 is: 4,437,979.90
Step by Step Solution
- Step 1: Write the proportion equation
5,149,932.96 : 7,106,576.24 = 3,216,077.36 : x - Step 2: Convert to fraction form
5,149,932.96/7,106,576.24 = 3,216,077.36/x - Step 3: Cross multiply
5,149,932.96x = 7,106,576.24 × 3,216,077.36 - Step 4: Simplify right side
5,149,932.96x = 22,855,298,952,577.93 - Step 5: Solve for x
x = 22,855,298,952,577.93/5,149,932.96 - Step 6: Final answer
x = 4,437,979.90
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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.