Finding the Fourth Proportional to 6,132,761.26, 8,463,267.29 and 3,379,547.21
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Solution
The fourth proportional to 6,132,761.26, 8,463,267.29 and 3,379,547.21 is: 4,663,806.43
Step by Step Solution
- Step 1: Write the proportion equation
6,132,761.26 : 8,463,267.29 = 3,379,547.21 : x - Step 2: Convert to fraction form
6,132,761.26/8,463,267.29 = 3,379,547.21/x - Step 3: Cross multiply
6,132,761.26x = 8,463,267.29 × 3,379,547.21 - Step 4: Simplify right side
6,132,761.26x = 28,602,011,365,803.31 - Step 5: Solve for x
x = 28,602,011,365,803.31/6,132,761.26 - Step 6: Final answer
x = 4,663,806.43
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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.