Finding the Fourth Proportional to 1,876,221.14, 2,588,233.80 and 1,186,731.68
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Solution
The fourth proportional to 1,876,221.14, 2,588,233.80 and 1,186,731.68 is: 1,637,087.96
Step by Step Solution
- Step 1: Write the proportion equation
1,876,221.14 : 2,588,233.80 = 1,186,731.68 : x - Step 2: Convert to fraction form
1,876,221.14/2,588,233.80 = 1,186,731.68/x - Step 3: Cross multiply
1,876,221.14x = 2,588,233.80 × 1,186,731.68 - Step 4: Simplify right side
1,876,221.14x = 3,071,539,045,706.78 - Step 5: Solve for x
x = 3,071,539,045,706.78/1,876,221.14 - Step 6: Final answer
x = 1,637,087.96
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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.