Finding the Fourth Proportional to 4,940,545.44, 7,409,779.20 and 1,393,860
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Solution
The fourth proportional to 4,940,545.44, 7,409,779.20 and 1,393,860 is: 2,090,496.88
Step by Step Solution
- Step 1: Write the proportion equation
4,940,545.44 : 7,409,779.20 = 1,393,860 : x - Step 2: Convert to fraction form
4,940,545.44/7,409,779.20 = 1,393,860/x - Step 3: Cross multiply
4,940,545.44x = 7,409,779.20 × 1,393,860 - Step 4: Simplify right side
4,940,545.44x = 10,328,194,835,712 - Step 5: Solve for x
x = 10,328,194,835,712/4,940,545.44 - Step 6: Final answer
x = 2,090,496.88
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1.5x scale
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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.