Finding the Fourth Proportional to 2,515,260.25, 3,471,067.38 and 1,369,348.80
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Solution
The fourth proportional to 2,515,260.25, 3,471,067.38 and 1,369,348.80 is: 1,889,705.83
Step by Step Solution
- Step 1: Write the proportion equation
2,515,260.25 : 3,471,067.38 = 1,369,348.80 : x - Step 2: Convert to fraction form
2,515,260.25/3,471,067.38 = 1,369,348.80/x - Step 3: Cross multiply
2,515,260.25x = 3,471,067.38 × 1,369,348.80 - Step 4: Simplify right side
2,515,260.25x = 4,753,101,951,522.14 - Step 5: Solve for x
x = 4,753,101,951,522.14/2,515,260.25 - Step 6: Final answer
x = 1,889,705.83
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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.