Finding the Fourth Proportional to 6,124,113.92, 8,450,727.90 and 3,545,968.70
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Solution
The fourth proportional to 6,124,113.92, 8,450,727.90 and 3,545,968.70 is: 4,893,118.75
Step by Step Solution
- Step 1: Write the proportion equation
6,124,113.92 : 8,450,727.90 = 3,545,968.70 : x - Step 2: Convert to fraction form
6,124,113.92/8,450,727.90 = 3,545,968.70/x - Step 3: Cross multiply
6,124,113.92x = 8,450,727.90 × 3,545,968.70 - Step 4: Simplify right side
6,124,113.92x = 29,966,016,625,616.73 - Step 5: Solve for x
x = 29,966,016,625,616.73/6,124,113.92 - Step 6: Final answer
x = 4,893,118.75
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1.5x scale
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.