Finding the Fourth Proportional to 3,474,510.80, 5,211,766.20 and 2,634,702.80
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Solution
The fourth proportional to 3,474,510.80, 5,211,766.20 and 2,634,702.80 is: 3,952,054.20
Step by Step Solution
- Step 1: Write the proportion equation
3,474,510.80 : 5,211,766.20 = 2,634,702.80 : x - Step 2: Convert to fraction form
3,474,510.80/5,211,766.20 = 2,634,702.80/x - Step 3: Cross multiply
3,474,510.80x = 5,211,766.20 × 2,634,702.80 - Step 4: Simplify right side
3,474,510.80x = 13,731,455,000,085.36 - Step 5: Solve for x
x = 13,731,455,000,085.36/3,474,510.80 - Step 6: Final answer
x = 3,952,054.20
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1.5x scale
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.