Finding the Fourth Proportional to 1,389,455.06, 2,083,093.80 and 548,636.18
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Solution
The fourth proportional to 1,389,455.06, 2,083,093.80 and 548,636.18 is: 822,524.35
Step by Step Solution
- Step 1: Write the proportion equation
1,389,455.06 : 2,083,093.80 = 548,636.18 : x - Step 2: Convert to fraction form
1,389,455.06/2,083,093.80 = 548,636.18/x - Step 3: Cross multiply
1,389,455.06x = 2,083,093.80 × 548,636.18 - Step 4: Simplify right side
1,389,455.06x = 1,142,860,625,013.68 - Step 5: Solve for x
x = 1,142,860,625,013.68/1,389,455.06 - Step 6: Final answer
x = 822,524.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.