Finding the Fourth Proportional to 3,006,135.60, 4,512,702.60 and 1,809,409.20
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Solution
The fourth proportional to 3,006,135.60, 4,512,702.60 and 1,809,409.20 is: 2,716,219.99
Step by Step Solution
- Step 1: Write the proportion equation
3,006,135.60 : 4,512,702.60 = 1,809,409.20 : x - Step 2: Convert to fraction form
3,006,135.60/4,512,702.60 = 1,809,409.20/x - Step 3: Cross multiply
3,006,135.60x = 4,512,702.60 × 1,809,409.20 - Step 4: Simplify right side
3,006,135.60x = 8,165,325,601,303.92 - Step 5: Solve for x
x = 8,165,325,601,303.92/3,006,135.60 - Step 6: Final answer
x = 2,716,219.99
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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.