Finding the Fourth Proportional to 2,657,679.97, 3,987,101.37 and 860,745.08
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Solution
The fourth proportional to 2,657,679.97, 3,987,101.37 and 860,745.08 is: 1,291,305.92
Step by Step Solution
- Step 1: Write the proportion equation
2,657,679.97 : 3,987,101.37 = 860,745.08 : x - Step 2: Convert to fraction form
2,657,679.97/3,987,101.37 = 860,745.08/x - Step 3: Cross multiply
2,657,679.97x = 3,987,101.37 × 860,745.08 - Step 4: Simplify right side
2,657,679.97x = 3,431,877,887,688.76 - Step 5: Solve for x
x = 3,431,877,887,688.76/2,657,679.97 - Step 6: Final answer
x = 1,291,305.92
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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.