Finding the Fourth Proportional to 4,940,789.28, 7,406,045.64 and 1,910,236.68
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Solution
The fourth proportional to 4,940,789.28, 7,406,045.64 and 1,910,236.68 is: 2,863,368.43
Step by Step Solution
- Step 1: Write the proportion equation
4,940,789.28 : 7,406,045.64 = 1,910,236.68 : x - Step 2: Convert to fraction form
4,940,789.28/7,406,045.64 = 1,910,236.68/x - Step 3: Cross multiply
4,940,789.28x = 7,406,045.64 × 1,910,236.68 - Step 4: Simplify right side
4,940,789.28x = 14,147,300,035,282.07 - Step 5: Solve for x
x = 14,147,300,035,282.07/4,940,789.28 - Step 6: Final answer
x = 2,863,368.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.