Finding the Fourth Proportional to 3,798,129.18, 5,697,193.77 and 1,273,777.14
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Solution
The fourth proportional to 3,798,129.18, 5,697,193.77 and 1,273,777.14 is: 1,910,665.71
Step by Step Solution
- Step 1: Write the proportion equation
3,798,129.18 : 5,697,193.77 = 1,273,777.14 : x - Step 2: Convert to fraction form
3,798,129.18/5,697,193.77 = 1,273,777.14/x - Step 3: Cross multiply
3,798,129.18x = 5,697,193.77 × 1,273,777.14 - Step 4: Simplify right side
3,798,129.18x = 7,256,955,186,376.42 - Step 5: Solve for x
x = 7,256,955,186,376.42/3,798,129.18 - Step 6: Final answer
x = 1,910,665.71
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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.