Finding the Fourth Proportional to 5,701,378.94, 7,864,919.98 and 3,525,226.46
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Solution
The fourth proportional to 5,701,378.94, 7,864,919.98 and 3,525,226.46 is: 4,862,968.12
Step by Step Solution
- Step 1: Write the proportion equation
5,701,378.94 : 7,864,919.98 = 3,525,226.46 : x - Step 2: Convert to fraction form
5,701,378.94/7,864,919.98 = 3,525,226.46/x - Step 3: Cross multiply
5,701,378.94x = 7,864,919.98 × 3,525,226.46 - Step 4: Simplify right side
5,701,378.94x = 27,725,624,019,278.67 - Step 5: Solve for x
x = 27,725,624,019,278.67/5,701,378.94 - Step 6: Final answer
x = 4,862,968.12
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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.