Finding the Fourth Proportional to 3,101,876.10, 4,652,815.77 and 972,126.09
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Solution
The fourth proportional to 3,101,876.10, 4,652,815.77 and 972,126.09 is: 1,458,189.64
Step by Step Solution
- Step 1: Write the proportion equation
3,101,876.10 : 4,652,815.77 = 972,126.09 : x - Step 2: Convert to fraction form
3,101,876.10/4,652,815.77 = 972,126.09/x - Step 3: Cross multiply
3,101,876.10x = 4,652,815.77 × 972,126.09 - Step 4: Simplify right side
3,101,876.10x = 4,523,123,601,980.44 - Step 5: Solve for x
x = 4,523,123,601,980.44/3,101,876.10 - Step 6: Final answer
x = 1,458,189.64
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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.