Finding the Fourth Proportional to 5,630,589.25, 8,446,548.18 and 4,219,613.40
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Solution
The fourth proportional to 5,630,589.25, 8,446,548.18 and 4,219,613.40 is: 6,329,917.94
Step by Step Solution
- Step 1: Write the proportion equation
5,630,589.25 : 8,446,548.18 = 4,219,613.40 : x - Step 2: Convert to fraction form
5,630,589.25/8,446,548.18 = 4,219,613.40/x - Step 3: Cross multiply
5,630,589.25x = 8,446,548.18 × 4,219,613.40 - Step 4: Simplify right side
5,630,589.25x = 35,641,167,884,073.62 - Step 5: Solve for x
x = 35,641,167,884,073.62/5,630,589.25 - Step 6: Final answer
x = 6,329,917.94
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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.