Finding the Fourth Proportional to 3,608,325.12, 5,414,265.98 and 1,689,366.24
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Solution
The fourth proportional to 3,608,325.12, 5,414,265.98 and 1,689,366.24 is: 2,534,881.93
Step by Step Solution
- Step 1: Write the proportion equation
3,608,325.12 : 5,414,265.98 = 1,689,366.24 : x - Step 2: Convert to fraction form
3,608,325.12/5,414,265.98 = 1,689,366.24/x - Step 3: Cross multiply
3,608,325.12x = 5,414,265.98 × 1,689,366.24 - Step 4: Simplify right side
3,608,325.12x = 9,146,678,160,992.52 - Step 5: Solve for x
x = 9,146,678,160,992.52/3,608,325.12 - Step 6: Final answer
x = 2,534,881.93
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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.