Finding the Fourth Proportional to 4,379,421.40, 6,569,132.12 and 2,248,321.12
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Solution
The fourth proportional to 4,379,421.40, 6,569,132.12 and 2,248,321.12 is: 3,372,481.69
Step by Step Solution
- Step 1: Write the proportion equation
4,379,421.40 : 6,569,132.12 = 2,248,321.12 : x - Step 2: Convert to fraction form
4,379,421.40/6,569,132.12 = 2,248,321.12/x - Step 3: Cross multiply
4,379,421.40x = 6,569,132.12 × 2,248,321.12 - Step 4: Simplify right side
4,379,421.40x = 14,769,518,485,466.38 - Step 5: Solve for x
x = 14,769,518,485,466.38/4,379,421.40 - Step 6: Final answer
x = 3,372,481.69
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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.