Finding the Fourth Proportional to 1,731,266.24, 2,608,716.51 and 1,422,636.80
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Solution
The fourth proportional to 1,731,266.24, 2,608,716.51 and 1,422,636.80 is: 2,143,665.73
Step by Step Solution
- Step 1: Write the proportion equation
1,731,266.24 : 2,608,716.51 = 1,422,636.80 : x - Step 2: Convert to fraction form
1,731,266.24/2,608,716.51 = 1,422,636.80/x - Step 3: Cross multiply
1,731,266.24x = 2,608,716.51 × 1,422,636.80 - Step 4: Simplify right side
1,731,266.24x = 3,711,256,094,849.99 - Step 5: Solve for x
x = 3,711,256,094,849.99/1,731,266.24 - Step 6: Final answer
x = 2,143,665.73
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.