Finding the Fourth Proportional to 4,551,558.21, 6,281,273.61 and 2,717,081.21
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Solution
The fourth proportional to 4,551,558.21, 6,281,273.61 and 2,717,081.21 is: 3,749,645.66
Step by Step Solution
- Step 1: Write the proportion equation
4,551,558.21 : 6,281,273.61 = 2,717,081.21 : x - Step 2: Convert to fraction form
4,551,558.21/6,281,273.61 = 2,717,081.21/x - Step 3: Cross multiply
4,551,558.21x = 6,281,273.61 × 2,717,081.21 - Step 4: Simplify right side
4,551,558.21x = 17,066,730,469,193.50 - Step 5: Solve for x
x = 17,066,730,469,193.50/4,551,558.21 - Step 6: Final answer
x = 3,749,645.66
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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.