Finding the Fourth Proportional to 2,126,135.52, 2,934,403.47 and 1,267,193.97
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Solution
The fourth proportional to 2,126,135.52, 2,934,403.47 and 1,267,193.97 is: 1,748,928.21
Step by Step Solution
- Step 1: Write the proportion equation
2,126,135.52 : 2,934,403.47 = 1,267,193.97 : x - Step 2: Convert to fraction form
2,126,135.52/2,934,403.47 = 1,267,193.97/x - Step 3: Cross multiply
2,126,135.52x = 2,934,403.47 × 1,267,193.97 - Step 4: Simplify right side
2,126,135.52x = 3,718,458,382,731.08 - Step 5: Solve for x
x = 3,718,458,382,731.08/2,126,135.52 - Step 6: Final answer
x = 1,748,928.21
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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.