Finding the Fourth Proportional to 6,163,644.79, 8,506,080.78 and 3,410,287.63
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Solution
The fourth proportional to 6,163,644.79, 8,506,080.78 and 3,410,287.63 is: 4,706,335.78
Step by Step Solution
- Step 1: Write the proportion equation
6,163,644.79 : 8,506,080.78 = 3,410,287.63 : x - Step 2: Convert to fraction form
6,163,644.79/8,506,080.78 = 3,410,287.63/x - Step 3: Cross multiply
6,163,644.79x = 8,506,080.78 × 3,410,287.63 - Step 4: Simplify right side
6,163,644.79x = 29,008,182,029,760.97 - Step 5: Solve for x
x = 29,008,182,029,760.97/6,163,644.79 - Step 6: Final answer
x = 4,706,335.78
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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.