Finding the Fourth Proportional to 3,490,751.58, 5,234,463.09 and 1,215,996.18
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Solution
The fourth proportional to 3,490,751.58, 5,234,463.09 and 1,215,996.18 is: 1,823,414.52
Step by Step Solution
- Step 1: Write the proportion equation
3,490,751.58 : 5,234,463.09 = 1,215,996.18 : x - Step 2: Convert to fraction form
3,490,751.58/5,234,463.09 = 1,215,996.18/x - Step 3: Cross multiply
3,490,751.58x = 5,234,463.09 × 1,215,996.18 - Step 4: Simplify right side
3,490,751.58x = 6,365,087,121,791.00 - Step 5: Solve for x
x = 6,365,087,121,791.00/3,490,751.58 - Step 6: Final answer
x = 1,823,414.52
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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.