Finding the Fourth Proportional to 4,235,812.12, 5,845,465.88 and 2,302,072.80
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Solution
The fourth proportional to 4,235,812.12, 5,845,465.88 and 2,302,072.80 is: 3,176,884.99
Step by Step Solution
- Step 1: Write the proportion equation
4,235,812.12 : 5,845,465.88 = 2,302,072.80 : x - Step 2: Convert to fraction form
4,235,812.12/5,845,465.88 = 2,302,072.80/x - Step 3: Cross multiply
4,235,812.12x = 5,845,465.88 × 2,302,072.80 - Step 4: Simplify right side
4,235,812.12x = 13,456,687,964,938.37 - Step 5: Solve for x
x = 13,456,687,964,938.37/4,235,812.12 - Step 6: Final answer
x = 3,176,884.99
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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.