Finding the Fourth Proportional to 5,862,910.20, 8,794,365.30 and 4,855,140.60
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Solution
The fourth proportional to 5,862,910.20, 8,794,365.30 and 4,855,140.60 is: 7,282,710.90
Step by Step Solution
- Step 1: Write the proportion equation
5,862,910.20 : 8,794,365.30 = 4,855,140.60 : x - Step 2: Convert to fraction form
5,862,910.20/8,794,365.30 = 4,855,140.60/x - Step 3: Cross multiply
5,862,910.20x = 8,794,365.30 × 4,855,140.60 - Step 4: Simplify right side
5,862,910.20x = 42,697,880,019,261.18 - Step 5: Solve for x
x = 42,697,880,019,261.18/5,862,910.20 - Step 6: Final answer
x = 7,282,710.90
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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.