Finding the Fourth Proportional to 1,567,416.75, 2,351,154.29 and 445,514.91
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Solution
The fourth proportional to 1,567,416.75, 2,351,154.29 and 445,514.91 is: 668,280.65
Step by Step Solution
- Step 1: Write the proportion equation
1,567,416.75 : 2,351,154.29 = 445,514.91 : x - Step 2: Convert to fraction form
1,567,416.75/2,351,154.29 = 445,514.91/x - Step 3: Cross multiply
1,567,416.75x = 2,351,154.29 × 445,514.91 - Step 4: Simplify right side
1,567,416.75x = 1,047,474,291,905.46 - Step 5: Solve for x
x = 1,047,474,291,905.46/1,567,416.75 - Step 6: Final answer
x = 668,280.65
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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.