Finding the Fourth Proportional to 2,818,736.19, 3,889,866.39 and 1,529,576.82
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Solution
The fourth proportional to 2,818,736.19, 3,889,866.39 and 1,529,576.82 is: 2,110,821.68
Step by Step Solution
- Step 1: Write the proportion equation
2,818,736.19 : 3,889,866.39 = 1,529,576.82 : x - Step 2: Convert to fraction form
2,818,736.19/3,889,866.39 = 1,529,576.82/x - Step 3: Cross multiply
2,818,736.19x = 3,889,866.39 × 1,529,576.82 - Step 4: Simplify right side
2,818,736.19x = 5,949,849,463,041.08 - Step 5: Solve for x
x = 5,949,849,463,041.08/2,818,736.19 - Step 6: Final answer
x = 2,110,821.68
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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.