Finding the Fourth Proportional to 6,977,879.26, 9,628,062.03 and 4,076,709.82
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Solution
The fourth proportional to 6,977,879.26, 9,628,062.03 and 4,076,709.82 is: 5,625,034.99
Step by Step Solution
- Step 1: Write the proportion equation
6,977,879.26 : 9,628,062.03 = 4,076,709.82 : x - Step 2: Convert to fraction form
6,977,879.26/9,628,062.03 = 4,076,709.82/x - Step 3: Cross multiply
6,977,879.26x = 9,628,062.03 × 4,076,709.82 - Step 4: Simplify right side
6,977,879.26x = 39,250,815,025,270.13 - Step 5: Solve for x
x = 39,250,815,025,270.13/6,977,879.26 - Step 6: Final answer
x = 5,625,034.99
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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.