Finding the Fourth Proportional to 4,966,616.94, 7,448,350.77 and 2,125,966.38
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Solution
The fourth proportional to 4,966,616.94, 7,448,350.77 and 2,125,966.38 is: 3,188,275.54
Step by Step Solution
- Step 1: Write the proportion equation
4,966,616.94 : 7,448,350.77 = 2,125,966.38 : x - Step 2: Convert to fraction form
4,966,616.94/7,448,350.77 = 2,125,966.38/x - Step 3: Cross multiply
4,966,616.94x = 7,448,350.77 × 2,125,966.38 - Step 4: Simplify right side
4,966,616.94x = 15,834,943,323,467.11 - Step 5: Solve for x
x = 15,834,943,323,467.11/4,966,616.94 - Step 6: Final answer
x = 3,188,275.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.