Finding the Fourth Proportional to 1,511,174, 2,085,420.12 and 832,108.88
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Solution
The fourth proportional to 1,511,174, 2,085,420.12 and 832,108.88 is: 1,148,310.25
Step by Step Solution
- Step 1: Write the proportion equation
1,511,174 : 2,085,420.12 = 832,108.88 : x - Step 2: Convert to fraction form
1,511,174/2,085,420.12 = 832,108.88/x - Step 3: Cross multiply
1,511,174x = 2,085,420.12 × 832,108.88 - Step 4: Simplify right side
1,511,174x = 1,735,296,600,382.67 - Step 5: Solve for x
x = 1,735,296,600,382.67/1,511,174 - Step 6: Final answer
x = 1,148,310.25
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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.