Finding the Fourth Proportional to 4,686,318.68, 7,026,950.22 and 2,126,136.56
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Solution
The fourth proportional to 4,686,318.68, 7,026,950.22 and 2,126,136.56 is: 3,188,058.00
Step by Step Solution
- Step 1: Write the proportion equation
4,686,318.68 : 7,026,950.22 = 2,126,136.56 : x - Step 2: Convert to fraction form
4,686,318.68/7,026,950.22 = 2,126,136.56/x - Step 3: Cross multiply
4,686,318.68x = 7,026,950.22 × 2,126,136.56 - Step 4: Simplify right side
4,686,318.68x = 14,940,255,768,042.04 - Step 5: Solve for x
x = 14,940,255,768,042.04/4,686,318.68 - Step 6: Final answer
x = 3,188,058.00
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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.