Finding the Fourth Proportional to 7,286,763.46, 10,930,143.81 and 2,169,268.20
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Solution
The fourth proportional to 7,286,763.46, 10,930,143.81 and 2,169,268.20 is: 3,253,901.89
Step by Step Solution
- Step 1: Write the proportion equation
7,286,763.46 : 10,930,143.81 = 2,169,268.20 : x - Step 2: Convert to fraction form
7,286,763.46/10,930,143.81 = 2,169,268.20/x - Step 3: Cross multiply
7,286,763.46x = 10,930,143.81 × 2,169,268.20 - Step 4: Simplify right side
7,286,763.46x = 23,710,413,388,459.84 - Step 5: Solve for x
x = 23,710,413,388,459.84/7,286,763.46 - Step 6: Final answer
x = 3,253,901.89
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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.