Finding the Fourth Proportional to 2,345,172.79, 3,517,722.21 and 747,725.11
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Solution
The fourth proportional to 2,345,172.79, 3,517,722.21 and 747,725.11 is: 1,121,575.87
Step by Step Solution
- Step 1: Write the proportion equation
2,345,172.79 : 3,517,722.21 = 747,725.11 : x - Step 2: Convert to fraction form
2,345,172.79/3,517,722.21 = 747,725.11/x - Step 3: Cross multiply
2,345,172.79x = 3,517,722.21 × 747,725.11 - Step 4: Simplify right side
2,345,172.79x = 2,630,289,208,833.08 - Step 5: Solve for x
x = 2,630,289,208,833.08/2,345,172.79 - Step 6: Final answer
x = 1,121,575.87
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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.