Finding the Fourth Proportional to 5,486,990.60, 8,216,489.10 and 4,367,246.60
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Solution
The fourth proportional to 5,486,990.60, 8,216,489.10 and 4,367,246.60 is: 6,539,729.46
Step by Step Solution
- Step 1: Write the proportion equation
5,486,990.60 : 8,216,489.10 = 4,367,246.60 : x - Step 2: Convert to fraction form
5,486,990.60/8,216,489.10 = 4,367,246.60/x - Step 3: Cross multiply
5,486,990.60x = 8,216,489.10 × 4,367,246.60 - Step 4: Simplify right side
5,486,990.60x = 35,883,434,085,912.05 - Step 5: Solve for x
x = 35,883,434,085,912.05/5,486,990.60 - Step 6: Final answer
x = 6,539,729.46
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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.