Finding the Fourth Proportional to 5,701,378.93, 7,864,919.98 and 3,525,226.45
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Solution
The fourth proportional to 5,701,378.93, 7,864,919.98 and 3,525,226.45 is: 4,862,968.11
Step by Step Solution
- Step 1: Write the proportion equation
5,701,378.93 : 7,864,919.98 = 3,525,226.45 : x - Step 2: Convert to fraction form
5,701,378.93/7,864,919.98 = 3,525,226.45/x - Step 3: Cross multiply
5,701,378.93x = 7,864,919.98 × 3,525,226.45 - Step 4: Simplify right side
5,701,378.93x = 27,725,623,940,629.47 - Step 5: Solve for x
x = 27,725,623,940,629.47/5,701,378.93 - Step 6: Final answer
x = 4,862,968.11
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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.