Finding the Fourth Proportional to 2,163,741.93, 2,985,926.94 and 1,196,871.39
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Solution
The fourth proportional to 2,163,741.93, 2,985,926.94 and 1,196,871.39 is: 1,651,662.09
Step by Step Solution
- Step 1: Write the proportion equation
2,163,741.93 : 2,985,926.94 = 1,196,871.39 : x - Step 2: Convert to fraction form
2,163,741.93/2,985,926.94 = 1,196,871.39/x - Step 3: Cross multiply
2,163,741.93x = 2,985,926.94 × 1,196,871.39 - Step 4: Simplify right side
2,163,741.93x = 3,573,770,527,116.25 - Step 5: Solve for x
x = 3,573,770,527,116.25/2,163,741.93 - Step 6: Final answer
x = 1,651,662.09
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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.