Finding the Fourth Proportional to 4,702,342.68, 6,489,941.82 and 2,867,865.72
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Solution
The fourth proportional to 4,702,342.68, 6,489,941.82 and 2,867,865.72 is: 3,958,087.05
Step by Step Solution
- Step 1: Write the proportion equation
4,702,342.68 : 6,489,941.82 = 2,867,865.72 : x - Step 2: Convert to fraction form
4,702,342.68/6,489,941.82 = 2,867,865.72/x - Step 3: Cross multiply
4,702,342.68x = 6,489,941.82 × 2,867,865.72 - Step 4: Simplify right side
4,702,342.68x = 18,612,281,670,372.41 - Step 5: Solve for x
x = 18,612,281,670,372.41/4,702,342.68 - Step 6: Final answer
x = 3,958,087.05
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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.