Finding the Fourth Proportional to 2,403,887.23, 3,317,364.86 and 1,316,159.09
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Solution
The fourth proportional to 2,403,887.23, 3,317,364.86 and 1,316,159.09 is: 1,816,299.80
Step by Step Solution
- Step 1: Write the proportion equation
2,403,887.23 : 3,317,364.86 = 1,316,159.09 : x - Step 2: Convert to fraction form
2,403,887.23/3,317,364.86 = 1,316,159.09/x - Step 3: Cross multiply
2,403,887.23x = 3,317,364.86 × 1,316,159.09 - Step 4: Simplify right side
2,403,887.23x = 4,366,179,904,608.08 - Step 5: Solve for x
x = 4,366,179,904,608.08/2,403,887.23 - Step 6: Final answer
x = 1,816,299.80
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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.