Finding the Fourth Proportional to 6,136,700.70, 8,467,907.76 and 3,523,060.74
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Solution
The fourth proportional to 6,136,700.70, 8,467,907.76 and 3,523,060.74 is: 4,861,399.45
Step by Step Solution
- Step 1: Write the proportion equation
6,136,700.70 : 8,467,907.76 = 3,523,060.74 : x - Step 2: Convert to fraction form
6,136,700.70/8,467,907.76 = 3,523,060.74/x - Step 3: Cross multiply
6,136,700.70x = 8,467,907.76 × 3,523,060.74 - Step 4: Simplify right side
6,136,700.70x = 29,832,953,379,197.34 - Step 5: Solve for x
x = 29,832,953,379,197.34/6,136,700.70 - Step 6: Final answer
x = 4,861,399.45
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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.