Finding the Fourth Proportional to 4,291,490.16, 6,433,234.20 and 1,449,615.60
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Solution
The fourth proportional to 4,291,490.16, 6,433,234.20 and 1,449,615.60 is: 2,173,071.90
Step by Step Solution
- Step 1: Write the proportion equation
4,291,490.16 : 6,433,234.20 = 1,449,615.60 : x - Step 2: Convert to fraction form
4,291,490.16/6,433,234.20 = 1,449,615.60/x - Step 3: Cross multiply
4,291,490.16x = 6,433,234.20 × 1,449,615.60 - Step 4: Simplify right side
4,291,490.16x = 9,325,716,654,773.52 - Step 5: Solve for x
x = 9,325,716,654,773.52/4,291,490.16 - Step 6: Final answer
x = 2,173,071.90
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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.