Finding the Fourth Proportional to 4,078,907.68, 6,121,056.76 and 1,920,550.09
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Solution
The fourth proportional to 4,078,907.68, 6,121,056.76 and 1,920,550.09 is: 2,882,094.18
Step by Step Solution
- Step 1: Write the proportion equation
4,078,907.68 : 6,121,056.76 = 1,920,550.09 : x - Step 2: Convert to fraction form
4,078,907.68/6,121,056.76 = 1,920,550.09/x - Step 3: Cross multiply
4,078,907.68x = 6,121,056.76 × 1,920,550.09 - Step 4: Simplify right side
4,078,907.68x = 11,755,796,080,707.82 - Step 5: Solve for x
x = 11,755,796,080,707.82/4,078,907.68 - Step 6: Final answer
x = 2,882,094.18
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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.