Finding the Fourth Proportional to 4,368,714.80, 6,553,072.20 and 3,990,801.20
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Solution
The fourth proportional to 4,368,714.80, 6,553,072.20 and 3,990,801.20 is: 5,986,201.80
Step by Step Solution
- Step 1: Write the proportion equation
4,368,714.80 : 6,553,072.20 = 3,990,801.20 : x - Step 2: Convert to fraction form
4,368,714.80/6,553,072.20 = 3,990,801.20/x - Step 3: Cross multiply
4,368,714.80x = 6,553,072.20 × 3,990,801.20 - Step 4: Simplify right side
4,368,714.80x = 26,152,008,399,446.64 - Step 5: Solve for x
x = 26,152,008,399,446.64/4,368,714.80 - Step 6: Final answer
x = 5,986,201.80
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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.