Finding the Fourth Proportional to 3,548,779.60, 5,324,481.60 and 1,152,702.40
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Solution
The fourth proportional to 3,548,779.60, 5,324,481.60 and 1,152,702.40 is: 1,729,479.82
Step by Step Solution
- Step 1: Write the proportion equation
3,548,779.60 : 5,324,481.60 = 1,152,702.40 : x - Step 2: Convert to fraction form
3,548,779.60/5,324,481.60 = 1,152,702.40/x - Step 3: Cross multiply
3,548,779.60x = 5,324,481.60 × 1,152,702.40 - Step 4: Simplify right side
3,548,779.60x = 6,137,542,719,075.84 - Step 5: Solve for x
x = 6,137,542,719,075.84/3,548,779.60 - Step 6: Final answer
x = 1,729,479.82
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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.