Finding the Fourth Proportional to 1,781,814.96, 2,458,720.49 and 1,093,515.84
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Solution
The fourth proportional to 1,781,814.96, 2,458,720.49 and 1,093,515.84 is: 1,508,938.84
Step by Step Solution
- Step 1: Write the proportion equation
1,781,814.96 : 2,458,720.49 = 1,093,515.84 : x - Step 2: Convert to fraction form
1,781,814.96/2,458,720.49 = 1,093,515.84/x - Step 3: Cross multiply
1,781,814.96x = 2,458,720.49 × 1,093,515.84 - Step 4: Simplify right side
1,781,814.96x = 2,688,649,796,479.98 - Step 5: Solve for x
x = 2,688,649,796,479.98/1,781,814.96 - Step 6: Final answer
x = 1,508,938.84
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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.