Finding the Fourth Proportional to 3,226,611.72, 4,842,910.12 and 1,630,295.84
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Solution
The fourth proportional to 3,226,611.72, 4,842,910.12 and 1,630,295.84 is: 2,446,955.79
Step by Step Solution
- Step 1: Write the proportion equation
3,226,611.72 : 4,842,910.12 = 1,630,295.84 : x - Step 2: Convert to fraction form
3,226,611.72/4,842,910.12 = 1,630,295.84/x - Step 3: Cross multiply
3,226,611.72x = 4,842,910.12 × 1,630,295.84 - Step 4: Simplify right side
3,226,611.72x = 7,895,376,222,129.90 - Step 5: Solve for x
x = 7,895,376,222,129.90/3,226,611.72 - Step 6: Final answer
x = 2,446,955.79
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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.