Finding the Fourth Proportional to 2,578,491.24, 3,558,428.64 and 1,432,571.58
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Solution
The fourth proportional to 2,578,491.24, 3,558,428.64 and 1,432,571.58 is: 1,977,010.30
Step by Step Solution
- Step 1: Write the proportion equation
2,578,491.24 : 3,558,428.64 = 1,432,571.58 : x - Step 2: Convert to fraction form
2,578,491.24/3,558,428.64 = 1,432,571.58/x - Step 3: Cross multiply
2,578,491.24x = 3,558,428.64 × 1,432,571.58 - Step 4: Simplify right side
2,578,491.24x = 5,097,703,739,122.05 - Step 5: Solve for x
x = 5,097,703,739,122.05/2,578,491.24 - Step 6: Final answer
x = 1,977,010.30
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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.