Finding the Fourth Proportional to 2,557,437, 3,529,246.05 and 1,411,517.34
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Solution
The fourth proportional to 2,557,437, 3,529,246.05 and 1,411,517.34 is: 1,947,884.54
Step by Step Solution
- Step 1: Write the proportion equation
2,557,437 : 3,529,246.05 = 1,411,517.34 : x - Step 2: Convert to fraction form
2,557,437/3,529,246.05 = 1,411,517.34/x - Step 3: Cross multiply
2,557,437x = 3,529,246.05 × 1,411,517.34 - Step 4: Simplify right side
2,557,437x = 4,981,591,996,701.51 - Step 5: Solve for x
x = 4,981,591,996,701.51/2,557,437 - Step 6: Final answer
x = 1,947,884.54
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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.