Finding the Fourth Proportional to 4,311,937.80, 6,467,906.70 and 4,101,985.80
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Solution
The fourth proportional to 4,311,937.80, 6,467,906.70 and 4,101,985.80 is: 6,152,978.70
Step by Step Solution
- Step 1: Write the proportion equation
4,311,937.80 : 6,467,906.70 = 4,101,985.80 : x - Step 2: Convert to fraction form
4,311,937.80/6,467,906.70 = 4,101,985.80/x - Step 3: Cross multiply
4,311,937.80x = 6,467,906.70 × 4,101,985.80 - Step 4: Simplify right side
4,311,937.80x = 26,531,261,439,124.86 - Step 5: Solve for x
x = 26,531,261,439,124.86/4,311,937.80 - Step 6: Final answer
x = 6,152,978.70
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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.