Finding the Fourth Proportional to 1,531,285.68, 2,113,174.26 and 852,382.56
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Solution
The fourth proportional to 1,531,285.68, 2,113,174.26 and 852,382.56 is: 1,176,287.94
Step by Step Solution
- Step 1: Write the proportion equation
1,531,285.68 : 2,113,174.26 = 852,382.56 : x - Step 2: Convert to fraction form
1,531,285.68/2,113,174.26 = 852,382.56/x - Step 3: Cross multiply
1,531,285.68x = 2,113,174.26 × 852,382.56 - Step 4: Simplify right side
1,531,285.68x = 1,801,232,885,464.91 - Step 5: Solve for x
x = 1,801,232,885,464.91/1,531,285.68 - Step 6: Final answer
x = 1,176,287.94
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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.