Finding the Fourth Proportional to 5,660,660.20, 8,481,659.10 and 4,708,877.80
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Solution
The fourth proportional to 5,660,660.20, 8,481,659.10 and 4,708,877.80 is: 7,055,554.45
Step by Step Solution
- Step 1: Write the proportion equation
5,660,660.20 : 8,481,659.10 = 4,708,877.80 : x - Step 2: Convert to fraction form
5,660,660.20/8,481,659.10 = 4,708,877.80/x - Step 3: Cross multiply
5,660,660.20x = 8,481,659.10 × 4,708,877.80 - Step 4: Simplify right side
5,660,660.20x = 39,939,096,243,157.98 - Step 5: Solve for x
x = 39,939,096,243,157.98/5,660,660.20 - Step 6: Final answer
x = 7,055,554.45
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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.