Finding the Fourth Proportional to 1,685,579.38, 2,326,732.08 and 1,104,839.92
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Solution
The fourth proportional to 1,685,579.38, 2,326,732.08 and 1,104,839.92 is: 1,525,093.70
Step by Step Solution
- Step 1: Write the proportion equation
1,685,579.38 : 2,326,732.08 = 1,104,839.92 : x - Step 2: Convert to fraction form
1,685,579.38/2,326,732.08 = 1,104,839.92/x - Step 3: Cross multiply
1,685,579.38x = 2,326,732.08 × 1,104,839.92 - Step 4: Simplify right side
1,685,579.38x = 2,570,666,485,128.63 - Step 5: Solve for x
x = 2,570,666,485,128.63/1,685,579.38 - Step 6: Final answer
x = 1,525,093.70
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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.