Finding the Fourth Proportional to 2,812,461.24, 4,218,022.80 and 1,214,149.80
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Solution
The fourth proportional to 2,812,461.24, 4,218,022.80 and 1,214,149.80 is: 1,820,935.86
Step by Step Solution
- Step 1: Write the proportion equation
2,812,461.24 : 4,218,022.80 = 1,214,149.80 : x - Step 2: Convert to fraction form
2,812,461.24/4,218,022.80 = 1,214,149.80/x - Step 3: Cross multiply
2,812,461.24x = 4,218,022.80 × 1,214,149.80 - Step 4: Simplify right side
2,812,461.24x = 5,121,311,539,015.44 - Step 5: Solve for x
x = 5,121,311,539,015.44/2,812,461.24 - Step 6: Final answer
x = 1,820,935.86
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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.