Finding the Fourth Proportional to 1,691,313.12, 2,537,342.85 and 493,329.20
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Solution
The fourth proportional to 1,691,313.12, 2,537,342.85 and 493,329.20 is: 740,102.64
Step by Step Solution
- Step 1: Write the proportion equation
1,691,313.12 : 2,537,342.85 = 493,329.20 : x - Step 2: Convert to fraction form
1,691,313.12/2,537,342.85 = 493,329.20/x - Step 3: Cross multiply
1,691,313.12x = 2,537,342.85 × 493,329.20 - Step 4: Simplify right side
1,691,313.12x = 1,251,745,305,629.51 - Step 5: Solve for x
x = 1,251,745,305,629.51/1,691,313.12 - Step 6: Final answer
x = 740,102.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.