Finding the Fourth Proportional to 4,855,768.20, 7,283,652.30 and 1,660,609.80
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Solution
The fourth proportional to 4,855,768.20, 7,283,652.30 and 1,660,609.80 is: 2,490,914.70
Step by Step Solution
- Step 1: Write the proportion equation
4,855,768.20 : 7,283,652.30 = 1,660,609.80 : x - Step 2: Convert to fraction form
4,855,768.20/7,283,652.30 = 1,660,609.80/x - Step 3: Cross multiply
4,855,768.20x = 7,283,652.30 × 1,660,609.80 - Step 4: Simplify right side
4,855,768.20x = 12,095,304,389,172.54 - Step 5: Solve for x
x = 12,095,304,389,172.54/4,855,768.20 - Step 6: Final answer
x = 2,490,914.70
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1.5x scale
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.