Finding the Fourth Proportional to 3,868,260.40, 5,336,977.08 and 2,319,203.44
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Solution
The fourth proportional to 3,868,260.40, 5,336,977.08 and 2,319,203.44 is: 3,199,767.94
Step by Step Solution
- Step 1: Write the proportion equation
3,868,260.40 : 5,336,977.08 = 2,319,203.44 : x - Step 2: Convert to fraction form
3,868,260.40/5,336,977.08 = 2,319,203.44/x - Step 3: Cross multiply
3,868,260.40x = 5,336,977.08 × 2,319,203.44 - Step 4: Simplify right side
3,868,260.40x = 12,377,535,603,137.15 - Step 5: Solve for x
x = 12,377,535,603,137.15/3,868,260.40 - Step 6: Final answer
x = 3,199,767.94
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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.