Finding the Fourth Proportional to 6,881,975.37, 9,497,280.11 and 3,784,302.36
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Solution
The fourth proportional to 6,881,975.37, 9,497,280.11 and 3,784,302.36 is: 5,222,421.99
Step by Step Solution
- Step 1: Write the proportion equation
6,881,975.37 : 9,497,280.11 = 3,784,302.36 : x - Step 2: Convert to fraction form
6,881,975.37/9,497,280.11 = 3,784,302.36/x - Step 3: Cross multiply
6,881,975.37x = 9,497,280.11 × 3,784,302.36 - Step 4: Simplify right side
6,881,975.37x = 35,940,579,514,932.55 - Step 5: Solve for x
x = 35,940,579,514,932.55/6,881,975.37 - Step 6: Final answer
x = 5,222,421.99
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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.