Finding the Fourth Proportional to 1,761,310.17, 2,430,608.39 and 1,072,981.98
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Solution
The fourth proportional to 1,761,310.17, 2,430,608.39 and 1,072,981.98 is: 1,480,715.35
Step by Step Solution
- Step 1: Write the proportion equation
1,761,310.17 : 2,430,608.39 = 1,072,981.98 : x - Step 2: Convert to fraction form
1,761,310.17/2,430,608.39 = 1,072,981.98/x - Step 3: Cross multiply
1,761,310.17x = 2,430,608.39 × 1,072,981.98 - Step 4: Simplify right side
1,761,310.17x = 2,607,998,997,541.90 - Step 5: Solve for x
x = 2,607,998,997,541.90/1,761,310.17 - Step 6: Final answer
x = 1,480,715.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.