Finding the Fourth Proportional to 3,385,985.78, 5,076,818.34 and 2,231,899.99
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Solution
The fourth proportional to 3,385,985.78, 5,076,818.34 and 2,231,899.99 is: 3,346,425.98
Step by Step Solution
- Step 1: Write the proportion equation
3,385,985.78 : 5,076,818.34 = 2,231,899.99 : x - Step 2: Convert to fraction form
3,385,985.78/5,076,818.34 = 2,231,899.99/x - Step 3: Cross multiply
3,385,985.78x = 5,076,818.34 × 2,231,899.99 - Step 4: Simplify right side
3,385,985.78x = 11,330,950,769,493.34 - Step 5: Solve for x
x = 11,330,950,769,493.34/3,385,985.78 - Step 6: Final answer
x = 3,346,425.98
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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.