Finding the Fourth Proportional to 5,743,338.60, 8,615,007.90 and 3,192,421.80
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Solution
The fourth proportional to 5,743,338.60, 8,615,007.90 and 3,192,421.80 is: 4,788,632.70
Step by Step Solution
- Step 1: Write the proportion equation
5,743,338.60 : 8,615,007.90 = 3,192,421.80 : x - Step 2: Convert to fraction form
5,743,338.60/8,615,007.90 = 3,192,421.80/x - Step 3: Cross multiply
5,743,338.60x = 8,615,007.90 × 3,192,421.80 - Step 4: Simplify right side
5,743,338.60x = 27,502,739,027,132.22 - Step 5: Solve for x
x = 27,502,739,027,132.22/5,743,338.60 - Step 6: Final answer
x = 4,788,632.70
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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.