Finding the Fourth Proportional to 5,868,728.20, 8,803,092.30 and 4,042,145.80
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Solution
The fourth proportional to 5,868,728.20, 8,803,092.30 and 4,042,145.80 is: 6,063,218.70
Step by Step Solution
- Step 1: Write the proportion equation
5,868,728.20 : 8,803,092.30 = 4,042,145.80 : x - Step 2: Convert to fraction form
5,868,728.20/8,803,092.30 = 4,042,145.80/x - Step 3: Cross multiply
5,868,728.20x = 8,803,092.30 × 4,042,145.80 - Step 4: Simplify right side
5,868,728.20x = 35,583,382,567,457.34 - Step 5: Solve for x
x = 35,583,382,567,457.34/5,868,728.20 - Step 6: Final answer
x = 6,063,218.70
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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.