Finding the Fourth Proportional to 1,622,087.12, 2,433,478.44 and 484,938.32
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Solution
The fourth proportional to 1,622,087.12, 2,433,478.44 and 484,938.32 is: 727,511.45
Step by Step Solution
- Step 1: Write the proportion equation
1,622,087.12 : 2,433,478.44 = 484,938.32 : x - Step 2: Convert to fraction form
1,622,087.12/2,433,478.44 = 484,938.32/x - Step 3: Cross multiply
1,622,087.12x = 2,433,478.44 × 484,938.32 - Step 4: Simplify right side
1,622,087.12x = 1,180,086,946,449.82 - Step 5: Solve for x
x = 1,180,086,946,449.82/1,622,087.12 - Step 6: Final answer
x = 727,511.45
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1.5x scale
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.