Finding the Fourth Proportional to 2,132,072.24, 3,198,440.70 and 1,278,943.35
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Solution
The fourth proportional to 2,132,072.24, 3,198,440.70 and 1,278,943.35 is: 1,918,614.38
Step by Step Solution
- Step 1: Write the proportion equation
2,132,072.24 : 3,198,440.70 = 1,278,943.35 : x - Step 2: Convert to fraction form
2,132,072.24/3,198,440.70 = 1,278,943.35/x - Step 3: Cross multiply
2,132,072.24x = 3,198,440.70 × 1,278,943.35 - Step 4: Simplify right side
2,132,072.24x = 4,090,624,457,239.63 - Step 5: Solve for x
x = 4,090,624,457,239.63/2,132,072.24 - Step 6: Final answer
x = 1,918,614.38
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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.