Finding the Fourth Proportional to 3,509,920.08, 5,265,201.42 and 985,558.32
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Solution
The fourth proportional to 3,509,920.08, 5,265,201.42 and 985,558.32 is: 1,478,427.70
Step by Step Solution
- Step 1: Write the proportion equation
3,509,920.08 : 5,265,201.42 = 985,558.32 : x - Step 2: Convert to fraction form
3,509,920.08/5,265,201.42 = 985,558.32/x - Step 3: Cross multiply
3,509,920.08x = 5,265,201.42 × 985,558.32 - Step 4: Simplify right side
3,509,920.08x = 5,189,163,065,956.81 - Step 5: Solve for x
x = 5,189,163,065,956.81/3,509,920.08 - Step 6: Final answer
x = 1,478,427.70
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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.