Finding the Fourth Proportional to 4,925,893.48, 6,798,866.34 and 2,889,359.08
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Solution
The fourth proportional to 4,925,893.48, 6,798,866.34 and 2,889,359.08 is: 3,987,980.31
Step by Step Solution
- Step 1: Write the proportion equation
4,925,893.48 : 6,798,866.34 = 2,889,359.08 : x - Step 2: Convert to fraction form
4,925,893.48/6,798,866.34 = 2,889,359.08/x - Step 3: Cross multiply
4,925,893.48x = 6,798,866.34 × 2,889,359.08 - Step 4: Simplify right side
4,925,893.48x = 19,644,366,193,185.37 - Step 5: Solve for x
x = 19,644,366,193,185.37/4,925,893.48 - Step 6: Final answer
x = 3,987,980.31
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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.