Finding the Fourth Proportional to 1,509,533.24, 2,083,453.62 and 865,385.96
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Solution
The fourth proportional to 1,509,533.24, 2,083,453.62 and 865,385.96 is: 1,194,403.32
Step by Step Solution
- Step 1: Write the proportion equation
1,509,533.24 : 2,083,453.62 = 865,385.96 : x - Step 2: Convert to fraction form
1,509,533.24/2,083,453.62 = 865,385.96/x - Step 3: Cross multiply
1,509,533.24x = 2,083,453.62 × 865,385.96 - Step 4: Simplify right side
1,509,533.24x = 1,802,991,511,059.18 - Step 5: Solve for x
x = 1,802,991,511,059.18/1,509,533.24 - Step 6: Final answer
x = 1,194,403.32
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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.