Finding the Fourth Proportional to 1,757,208.78, 2,424,232.71 and 1,145,138.56
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Solution
The fourth proportional to 1,757,208.78, 2,424,232.71 and 1,145,138.56 is: 1,579,824.99
Step by Step Solution
- Step 1: Write the proportion equation
1,757,208.78 : 2,424,232.71 = 1,145,138.56 : x - Step 2: Convert to fraction form
1,757,208.78/2,424,232.71 = 1,145,138.56/x - Step 3: Cross multiply
1,757,208.78x = 2,424,232.71 × 1,145,138.56 - Step 4: Simplify right side
1,757,208.78x = 2,776,082,348,573.72 - Step 5: Solve for x
x = 2,776,082,348,573.72/1,757,208.78 - Step 6: Final answer
x = 1,579,824.99
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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.