Finding the Fourth Proportional to 2,119,302.09, 2,932,338.11 and 1,847,935.49
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Solution
The fourth proportional to 2,119,302.09, 2,932,338.11 and 1,847,935.49 is: 2,556,866.09
Step by Step Solution
- Step 1: Write the proportion equation
2,119,302.09 : 2,932,338.11 = 1,847,935.49 : x - Step 2: Convert to fraction form
2,119,302.09/2,932,338.11 = 1,847,935.49/x - Step 3: Cross multiply
2,119,302.09x = 2,932,338.11 × 1,847,935.49 - Step 4: Simplify right side
2,119,302.09x = 5,418,771,638,247.16 - Step 5: Solve for x
x = 5,418,771,638,247.16/2,119,302.09 - Step 6: Final answer
x = 2,556,866.09
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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.