Finding the Fourth Proportional to 2,657,673.18, 3,987,091.14 and 860,738.28
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Solution
The fourth proportional to 2,657,673.18, 3,987,091.14 and 860,738.28 is: 1,291,295.71
Step by Step Solution
- Step 1: Write the proportion equation
2,657,673.18 : 3,987,091.14 = 860,738.28 : x - Step 2: Convert to fraction form
2,657,673.18/3,987,091.14 = 860,738.28/x - Step 3: Cross multiply
2,657,673.18x = 3,987,091.14 × 860,738.28 - Step 4: Simplify right side
2,657,673.18x = 3,431,841,970,046.84 - Step 5: Solve for x
x = 3,431,841,970,046.84/2,657,673.18 - Step 6: Final answer
x = 1,291,295.71
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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.