Finding the Fourth Proportional to 4,629,387.08, 6,388,605.26 and 2,564,434.28
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Solution
The fourth proportional to 4,629,387.08, 6,388,605.26 and 2,564,434.28 is: 3,538,947.61
Step by Step Solution
- Step 1: Write the proportion equation
4,629,387.08 : 6,388,605.26 = 2,564,434.28 : x - Step 2: Convert to fraction form
4,629,387.08/6,388,605.26 = 2,564,434.28/x - Step 3: Cross multiply
4,629,387.08x = 6,388,605.26 × 2,564,434.28 - Step 4: Simplify right side
4,629,387.08x = 16,383,158,330,132.31 - Step 5: Solve for x
x = 16,383,158,330,132.31/4,629,387.08 - Step 6: Final answer
x = 3,538,947.61
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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.