Finding the Fourth Proportional to 4,939,081.10, 6,816,990.75 and 3,005,964.26
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Solution
The fourth proportional to 4,939,081.10, 6,816,990.75 and 3,005,964.26 is: 4,148,875.09
Step by Step Solution
- Step 1: Write the proportion equation
4,939,081.10 : 6,816,990.75 = 3,005,964.26 : x - Step 2: Convert to fraction form
4,939,081.10/6,816,990.75 = 3,005,964.26/x - Step 3: Cross multiply
4,939,081.10x = 6,816,990.75 × 3,005,964.26 - Step 4: Simplify right side
4,939,081.10x = 20,491,630,555,250.59 - Step 5: Solve for x
x = 20,491,630,555,250.59/4,939,081.10 - Step 6: Final answer
x = 4,148,875.09
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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.