Finding the Fourth Proportional to 4,672,993.68, 7,010,355.60 and 1,478,923.92
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Solution
The fourth proportional to 4,672,993.68, 7,010,355.60 and 1,478,923.92 is: 2,218,659.66
Step by Step Solution
- Step 1: Write the proportion equation
4,672,993.68 : 7,010,355.60 = 1,478,923.92 : x - Step 2: Convert to fraction form
4,672,993.68/7,010,355.60 = 1,478,923.92/x - Step 3: Cross multiply
4,672,993.68x = 7,010,355.60 × 1,478,923.92 - Step 4: Simplify right side
4,672,993.68x = 10,367,782,584,545.95 - Step 5: Solve for x
x = 10,367,782,584,545.95/4,672,993.68 - Step 6: Final answer
x = 2,218,659.66
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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.