Finding the Fourth Proportional to 5,459,937.60, 8,189,906.40 and 3,668,347.20
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Solution
The fourth proportional to 5,459,937.60, 8,189,906.40 and 3,668,347.20 is: 5,502,520.80
Step by Step Solution
- Step 1: Write the proportion equation
5,459,937.60 : 8,189,906.40 = 3,668,347.20 : x - Step 2: Convert to fraction form
5,459,937.60/8,189,906.40 = 3,668,347.20/x - Step 3: Cross multiply
5,459,937.60x = 8,189,906.40 × 3,668,347.20 - Step 4: Simplify right side
5,459,937.60x = 30,043,420,210,702.08 - Step 5: Solve for x
x = 30,043,420,210,702.08/5,459,937.60 - Step 6: Final answer
x = 5,502,520.80
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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.