Finding the Fourth Proportional to 2,812,446.24, 4,218,000.30 and 1,214,134.80
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Solution
The fourth proportional to 2,812,446.24, 4,218,000.30 and 1,214,134.80 is: 1,820,913.37
Step by Step Solution
- Step 1: Write the proportion equation
2,812,446.24 : 4,218,000.30 = 1,214,134.80 : x - Step 2: Convert to fraction form
2,812,446.24/4,218,000.30 = 1,214,134.80/x - Step 3: Cross multiply
2,812,446.24x = 4,218,000.30 × 1,214,134.80 - Step 4: Simplify right side
2,812,446.24x = 5,121,220,950,640.44 - Step 5: Solve for x
x = 5,121,220,950,640.44/2,812,446.24 - Step 6: Final answer
x = 1,820,913.37
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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.