Finding the Fourth Proportional to 1,755,181.75, 2,632,772.63 and 425,485.75
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Solution
The fourth proportional to 1,755,181.75, 2,632,772.63 and 425,485.75 is: 638,228.63
Step by Step Solution
- Step 1: Write the proportion equation
1,755,181.75 : 2,632,772.63 = 425,485.75 : x - Step 2: Convert to fraction form
1,755,181.75/2,632,772.63 = 425,485.75/x - Step 3: Cross multiply
1,755,181.75x = 2,632,772.63 × 425,485.75 - Step 4: Simplify right side
1,755,181.75x = 1,120,207,237,055.02 - Step 5: Solve for x
x = 1,120,207,237,055.02/1,755,181.75 - Step 6: Final answer
x = 638,228.63
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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.