Finding the Fourth Proportional to 2,812,209.23, 4,218,532.55 and 919,142.03
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Solution
The fourth proportional to 2,812,209.23, 4,218,532.55 and 919,142.03 is: 1,378,784.53
Step by Step Solution
- Step 1: Write the proportion equation
2,812,209.23 : 4,218,532.55 = 919,142.03 : x - Step 2: Convert to fraction form
2,812,209.23/4,218,532.55 = 919,142.03/x - Step 3: Cross multiply
2,812,209.23x = 4,218,532.55 × 919,142.03 - Step 4: Simplify right side
2,812,209.23x = 3,877,430,581,025.48 - Step 5: Solve for x
x = 3,877,430,581,025.48/2,812,209.23 - Step 6: Final answer
x = 1,378,784.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.