Finding the Fourth Proportional to 2,428,138.08, 3,351,235.77 and 2,320,518.24
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Solution
The fourth proportional to 2,428,138.08, 3,351,235.77 and 2,320,518.24 is: 3,202,702.43
Step by Step Solution
- Step 1: Write the proportion equation
2,428,138.08 : 3,351,235.77 = 2,320,518.24 : x - Step 2: Convert to fraction form
2,428,138.08/3,351,235.77 = 2,320,518.24/x - Step 3: Cross multiply
2,428,138.08x = 3,351,235.77 × 2,320,518.24 - Step 4: Simplify right side
2,428,138.08x = 7,776,603,730,825.45 - Step 5: Solve for x
x = 7,776,603,730,825.45/2,428,138.08 - Step 6: Final answer
x = 3,202,702.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.