Finding the Fourth Proportional to 3,477,459.40, 5,209,190.70 and 2,413,702.60
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Solution
The fourth proportional to 3,477,459.40, 5,209,190.70 and 2,413,702.60 is: 3,615,696.31
Step by Step Solution
- Step 1: Write the proportion equation
3,477,459.40 : 5,209,190.70 = 2,413,702.60 : x - Step 2: Convert to fraction form
3,477,459.40/5,209,190.70 = 2,413,702.60/x - Step 3: Cross multiply
3,477,459.40x = 5,209,190.70 × 2,413,702.60 - Step 4: Simplify right side
3,477,459.40x = 12,573,437,136,485.82 - Step 5: Solve for x
x = 12,573,437,136,485.82/3,477,459.40 - Step 6: Final answer
x = 3,615,696.31
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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.