Finding the Fourth Proportional to 4,219,836.09, 6,329,754.21 and 1,024,940.74
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Solution
The fourth proportional to 4,219,836.09, 6,329,754.21 and 1,024,940.74 is: 1,537,411.13
Step by Step Solution
- Step 1: Write the proportion equation
4,219,836.09 : 6,329,754.21 = 1,024,940.74 : x - Step 2: Convert to fraction form
4,219,836.09/6,329,754.21 = 1,024,940.74/x - Step 3: Cross multiply
4,219,836.09x = 6,329,754.21 × 1,024,940.74 - Step 4: Simplify right side
4,219,836.09x = 6,487,622,964,015.52 - Step 5: Solve for x
x = 6,487,622,964,015.52/4,219,836.09 - Step 6: Final answer
x = 1,537,411.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.