Finding the Fourth Proportional to 5,029,318.66, 6,940,266.87 and 2,853,732.07
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Solution
The fourth proportional to 5,029,318.66, 6,940,266.87 and 2,853,732.07 is: 3,938,040.81
Step by Step Solution
- Step 1: Write the proportion equation
5,029,318.66 : 6,940,266.87 = 2,853,732.07 : x - Step 2: Convert to fraction form
5,029,318.66/6,940,266.87 = 2,853,732.07/x - Step 3: Cross multiply
5,029,318.66x = 6,940,266.87 × 2,853,732.07 - Step 4: Simplify right side
5,029,318.66x = 19,805,662,141,277.52 - Step 5: Solve for x
x = 19,805,662,141,277.52/5,029,318.66 - Step 6: Final answer
x = 3,938,040.81
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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.