Finding the Fourth Proportional to 2,121,136.74, 2,927,230.11 and 1,154,329.38
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Solution
The fourth proportional to 2,121,136.74, 2,927,230.11 and 1,154,329.38 is: 1,593,007.96
Step by Step Solution
- Step 1: Write the proportion equation
2,121,136.74 : 2,927,230.11 = 1,154,329.38 : x - Step 2: Convert to fraction form
2,121,136.74/2,927,230.11 = 1,154,329.38/x - Step 3: Cross multiply
2,121,136.74x = 2,927,230.11 × 1,154,329.38 - Step 4: Simplify right side
2,121,136.74x = 3,378,987,717,993.63 - Step 5: Solve for x
x = 3,378,987,717,993.63/2,121,136.74 - Step 6: Final answer
x = 1,593,007.96
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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.