Finding the Fourth Proportional to 4,213,427.99, 5,814,489.29 and 2,279,646.14
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Solution
The fourth proportional to 4,213,427.99, 5,814,489.29 and 2,279,646.14 is: 3,145,889.30
Step by Step Solution
- Step 1: Write the proportion equation
4,213,427.99 : 5,814,489.29 = 2,279,646.14 : x - Step 2: Convert to fraction form
4,213,427.99/5,814,489.29 = 2,279,646.14/x - Step 3: Cross multiply
4,213,427.99x = 5,814,489.29 × 2,279,646.14 - Step 4: Simplify right side
4,213,427.99x = 13,254,978,025,549.16 - Step 5: Solve for x
x = 13,254,978,025,549.16/4,213,427.99 - Step 6: Final answer
x = 3,145,889.30
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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.