Finding the Fourth Proportional to 4,650,790.38, 6,418,165.35 and 2,557,715.55
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Solution
The fourth proportional to 4,650,790.38, 6,418,165.35 and 2,557,715.55 is: 3,529,688.50
Step by Step Solution
- Step 1: Write the proportion equation
4,650,790.38 : 6,418,165.35 = 2,557,715.55 : x - Step 2: Convert to fraction form
4,650,790.38/6,418,165.35 = 2,557,715.55/x - Step 3: Cross multiply
4,650,790.38x = 6,418,165.35 × 2,557,715.55 - Step 4: Simplify right side
4,650,790.38x = 16,415,841,318,166.19 - Step 5: Solve for x
x = 16,415,841,318,166.19/4,650,790.38 - Step 6: Final answer
x = 3,529,688.50
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1.5x scale
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.