Finding the Fourth Proportional to 4,291,145.66, 5,921,843.97 and 2,331,060.58
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Solution
The fourth proportional to 4,291,145.66, 5,921,843.97 and 2,331,060.58 is: 3,216,897.80
Step by Step Solution
- Step 1: Write the proportion equation
4,291,145.66 : 5,921,843.97 = 2,331,060.58 : x - Step 2: Convert to fraction form
4,291,145.66/5,921,843.97 = 2,331,060.58/x - Step 3: Cross multiply
4,291,145.66x = 5,921,843.97 × 2,331,060.58 - Step 4: Simplify right side
4,291,145.66x = 13,804,177,039,377.70 - Step 5: Solve for x
x = 13,804,177,039,377.70/4,291,145.66 - Step 6: Final answer
x = 3,216,897.80
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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.