Finding the Fourth Proportional to 2,151,118.70, 2,968,497.09 and 1,184,211.98
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Solution
The fourth proportional to 2,151,118.70, 2,968,497.09 and 1,184,211.98 is: 1,634,186.81
Step by Step Solution
- Step 1: Write the proportion equation
2,151,118.70 : 2,968,497.09 = 1,184,211.98 : x - Step 2: Convert to fraction form
2,151,118.70/2,968,497.09 = 1,184,211.98/x - Step 3: Cross multiply
2,151,118.70x = 2,968,497.09 × 1,184,211.98 - Step 4: Simplify right side
2,151,118.70x = 3,515,329,816,573.14 - Step 5: Solve for x
x = 3,515,329,816,573.14/2,151,118.70 - Step 6: Final answer
x = 1,634,186.81
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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.