Finding the Fourth Proportional to 2,968,231.80, 4,452,347.70 and 724,369.80
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Solution
The fourth proportional to 2,968,231.80, 4,452,347.70 and 724,369.80 is: 1,086,554.70
Step by Step Solution
- Step 1: Write the proportion equation
2,968,231.80 : 4,452,347.70 = 724,369.80 : x - Step 2: Convert to fraction form
2,968,231.80/4,452,347.70 = 724,369.80/x - Step 3: Cross multiply
2,968,231.80x = 4,452,347.70 × 724,369.80 - Step 4: Simplify right side
2,968,231.80x = 3,225,146,212,979.46 - Step 5: Solve for x
x = 3,225,146,212,979.46/2,968,231.80 - Step 6: Final answer
x = 1,086,554.70
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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.