Finding the Fourth Proportional to 3,465,509.29, 5,197,158.46 and 1,190,485.12
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Solution
The fourth proportional to 3,465,509.29, 5,197,158.46 and 1,190,485.12 is: 1,785,347.92
Step by Step Solution
- Step 1: Write the proportion equation
3,465,509.29 : 5,197,158.46 = 1,190,485.12 : x - Step 2: Convert to fraction form
3,465,509.29/5,197,158.46 = 1,190,485.12/x - Step 3: Cross multiply
3,465,509.29x = 5,197,158.46 × 1,190,485.12 - Step 4: Simplify right side
3,465,509.29x = 6,187,139,812,912.12 - Step 5: Solve for x
x = 6,187,139,812,912.12/3,465,509.29 - Step 6: Final answer
x = 1,785,347.92
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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.