Finding the Fourth Proportional to 3,509,896.08, 5,265,165.42 and 985,534.32
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Solution
The fourth proportional to 3,509,896.08, 5,265,165.42 and 985,534.32 is: 1,478,391.70
Step by Step Solution
- Step 1: Write the proportion equation
3,509,896.08 : 5,265,165.42 = 985,534.32 : x - Step 2: Convert to fraction form
3,509,896.08/5,265,165.42 = 985,534.32/x - Step 3: Cross multiply
3,509,896.08x = 5,265,165.42 × 985,534.32 - Step 4: Simplify right side
3,509,896.08x = 5,189,001,221,887.21 - Step 5: Solve for x
x = 5,189,001,221,887.21/3,509,896.08 - Step 6: Final answer
x = 1,478,391.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.