Finding the Fourth Proportional to 5,136,920.56, 7,088,997.18 and 2,845,126
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Solution
The fourth proportional to 5,136,920.56, 7,088,997.18 and 2,845,126 is: 3,926,299.80
Step by Step Solution
- Step 1: Write the proportion equation
5,136,920.56 : 7,088,997.18 = 2,845,126 : x - Step 2: Convert to fraction form
5,136,920.56/7,088,997.18 = 2,845,126/x - Step 3: Cross multiply
5,136,920.56x = 7,088,997.18 × 2,845,126 - Step 4: Simplify right side
5,136,920.56x = 20,169,090,190,744.68 - Step 5: Solve for x
x = 20,169,090,190,744.68/5,136,920.56 - Step 6: Final answer
x = 3,926,299.80
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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.