Finding the Fourth Proportional to 2,821,675.68, 3,893,940.54 and 1,532,541.24
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Solution
The fourth proportional to 2,821,675.68, 3,893,940.54 and 1,532,541.24 is: 2,114,922.17
Step by Step Solution
- Step 1: Write the proportion equation
2,821,675.68 : 3,893,940.54 = 1,532,541.24 : x - Step 2: Convert to fraction form
2,821,675.68/3,893,940.54 = 1,532,541.24/x - Step 3: Cross multiply
2,821,675.68x = 3,893,940.54 × 1,532,541.24 - Step 4: Simplify right side
2,821,675.68x = 5,967,624,463,657.87 - Step 5: Solve for x
x = 5,967,624,463,657.87/2,821,675.68 - Step 6: Final answer
x = 2,114,922.17
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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.