Finding the Fourth Proportional to 1,420,672.14, 2,131,848.93 and 522,744.42
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Solution
The fourth proportional to 1,420,672.14, 2,131,848.93 and 522,744.42 is: 784,425.98
Step by Step Solution
- Step 1: Write the proportion equation
1,420,672.14 : 2,131,848.93 = 522,744.42 : x - Step 2: Convert to fraction form
1,420,672.14/2,131,848.93 = 522,744.42/x - Step 3: Cross multiply
1,420,672.14x = 2,131,848.93 × 522,744.42 - Step 4: Simplify right side
1,420,672.14x = 1,114,412,132,440.47 - Step 5: Solve for x
x = 1,114,412,132,440.47/1,420,672.14 - Step 6: Final answer
x = 784,425.98
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1.5x scale
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.