Finding the Fourth Proportional to 5,267,658.25, 7,901,490.44 and 1,481,141.12
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Solution
The fourth proportional to 5,267,658.25, 7,901,490.44 and 1,481,141.12 is: 2,221,712.54
Step by Step Solution
- Step 1: Write the proportion equation
5,267,658.25 : 7,901,490.44 = 1,481,141.12 : x - Step 2: Convert to fraction form
5,267,658.25/7,901,490.44 = 1,481,141.12/x - Step 3: Cross multiply
5,267,658.25x = 7,901,490.44 × 1,481,141.12 - Step 4: Simplify right side
5,267,658.25x = 11,703,222,399,970.89 - Step 5: Solve for x
x = 11,703,222,399,970.89/5,267,658.25 - Step 6: Final answer
x = 2,221,712.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.