Finding the Fourth Proportional to 5,576,678.04, 7,691,476.92 and 4,033,727.68
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Solution
The fourth proportional to 5,576,678.04, 7,691,476.92 and 4,033,727.68 is: 5,563,405.87
Step by Step Solution
- Step 1: Write the proportion equation
5,576,678.04 : 7,691,476.92 = 4,033,727.68 : x - Step 2: Convert to fraction form
5,576,678.04/7,691,476.92 = 4,033,727.68/x - Step 3: Cross multiply
5,576,678.04x = 7,691,476.92 × 4,033,727.68 - Step 4: Simplify right side
5,576,678.04x = 31,025,323,352,285.15 - Step 5: Solve for x
x = 31,025,323,352,285.15/5,576,678.04 - Step 6: Final answer
x = 5,563,405.87
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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.