Finding the Fourth Proportional to 3,689,554.40, 5,091,365.76 and 2,140,696.08
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Solution
The fourth proportional to 3,689,554.40, 5,091,365.76 and 2,140,696.08 is: 2,954,033.34
Step by Step Solution
- Step 1: Write the proportion equation
3,689,554.40 : 5,091,365.76 = 2,140,696.08 : x - Step 2: Convert to fraction form
3,689,554.40/5,091,365.76 = 2,140,696.08/x - Step 3: Cross multiply
3,689,554.40x = 5,091,365.76 × 2,140,696.08 - Step 4: Simplify right side
3,689,554.40x = 10,899,066,724,278.22 - Step 5: Solve for x
x = 10,899,066,724,278.22/3,689,554.40 - Step 6: Final answer
x = 2,954,033.34
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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.