Finding the Fourth Proportional to 5,252,115.60, 7,877,036.16 and 1,413,843.12
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Solution
The fourth proportional to 5,252,115.60, 7,877,036.16 and 1,413,843.12 is: 2,120,458.54
Step by Step Solution
- Step 1: Write the proportion equation
5,252,115.60 : 7,877,036.16 = 1,413,843.12 : x - Step 2: Convert to fraction form
5,252,115.60/7,877,036.16 = 1,413,843.12/x - Step 3: Cross multiply
5,252,115.60x = 7,877,036.16 × 1,413,843.12 - Step 4: Simplify right side
5,252,115.60x = 11,136,893,380,807.22 - Step 5: Solve for x
x = 11,136,893,380,807.22/5,252,115.60 - Step 6: Final answer
x = 2,120,458.54
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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.