Finding the Fourth Proportional to 5,750,551.31, 7,935,782.99 and 3,172,194.95
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Solution
The fourth proportional to 5,750,551.31, 7,935,782.99 and 3,172,194.95 is: 4,377,641.26
Step by Step Solution
- Step 1: Write the proportion equation
5,750,551.31 : 7,935,782.99 = 3,172,194.95 : x - Step 2: Convert to fraction form
5,750,551.31/7,935,782.99 = 3,172,194.95/x - Step 3: Cross multiply
5,750,551.31x = 7,935,782.99 × 3,172,194.95 - Step 4: Simplify right side
5,750,551.31x = 25,173,850,669,634.01 - Step 5: Solve for x
x = 25,173,850,669,634.01/5,750,551.31 - Step 6: Final answer
x = 4,377,641.26
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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.