Finding the Fourth Proportional to 1,787,933.05, 2,467,330.27 and 972,136.79
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Solution
The fourth proportional to 1,787,933.05, 2,467,330.27 and 972,136.79 is: 1,341,539.34
Step by Step Solution
- Step 1: Write the proportion equation
1,787,933.05 : 2,467,330.27 = 972,136.79 : x - Step 2: Convert to fraction form
1,787,933.05/2,467,330.27 = 972,136.79/x - Step 3: Cross multiply
1,787,933.05x = 2,467,330.27 × 972,136.79 - Step 4: Simplify right side
1,787,933.05x = 2,398,582,523,033.13 - Step 5: Solve for x
x = 2,398,582,523,033.13/1,787,933.05 - Step 6: Final answer
x = 1,341,539.34
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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.