Finding the Fourth Proportional to 5,599,261.12, 8,409,008.88 and 5,149,151.68
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Solution
The fourth proportional to 5,599,261.12, 8,409,008.88 and 5,149,151.68 is: 7,733,031.43
Step by Step Solution
- Step 1: Write the proportion equation
5,599,261.12 : 8,409,008.88 = 5,149,151.68 : x - Step 2: Convert to fraction form
5,599,261.12/8,409,008.88 = 5,149,151.68/x - Step 3: Cross multiply
5,599,261.12x = 8,409,008.88 × 5,149,151.68 - Step 4: Simplify right side
5,599,261.12x = 43,299,262,201,586.92 - Step 5: Solve for x
x = 43,299,262,201,586.92/5,599,261.12 - Step 6: Final answer
x = 7,733,031.43
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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.