Finding the Fourth Proportional to 2,557,069.79, 3,528,749.07 and 1,411,141.94
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Solution
The fourth proportional to 2,557,069.79, 3,528,749.07 and 1,411,141.94 is: 1,947,371.88
Step by Step Solution
- Step 1: Write the proportion equation
2,557,069.79 : 3,528,749.07 = 1,411,141.94 : x - Step 2: Convert to fraction form
2,557,069.79/3,528,749.07 = 1,411,141.94/x - Step 3: Cross multiply
2,557,069.79x = 3,528,749.07 × 1,411,141.94 - Step 4: Simplify right side
2,557,069.79x = 4,979,565,790,769.25 - Step 5: Solve for x
x = 4,979,565,790,769.25/2,557,069.79 - Step 6: Final answer
x = 1,947,371.88
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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.