Finding the Fourth Proportional to 4,205,847.12, 6,309,295.20 and 1,646,731.68
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Solution
The fourth proportional to 4,205,847.12, 6,309,295.20 and 1,646,731.68 is: 2,470,302.89
Step by Step Solution
- Step 1: Write the proportion equation
4,205,847.12 : 6,309,295.20 = 1,646,731.68 : x - Step 2: Convert to fraction form
4,205,847.12/6,309,295.20 = 1,646,731.68/x - Step 3: Cross multiply
4,205,847.12x = 6,309,295.20 × 1,646,731.68 - Step 4: Simplify right side
4,205,847.12x = 10,389,716,284,311.94 - Step 5: Solve for x
x = 10,389,716,284,311.94/4,205,847.12 - Step 6: Final answer
x = 2,470,302.89
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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.