Finding the Fourth Proportional to 1,768,421.79, 2,440,680.48 and 994,116.42
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Solution
The fourth proportional to 1,768,421.79, 2,440,680.48 and 994,116.42 is: 1,372,025.92
Step by Step Solution
- Step 1: Write the proportion equation
1,768,421.79 : 2,440,680.48 = 994,116.42 : x - Step 2: Convert to fraction form
1,768,421.79/2,440,680.48 = 994,116.42/x - Step 3: Cross multiply
1,768,421.79x = 2,440,680.48 × 994,116.42 - Step 4: Simplify right side
1,768,421.79x = 2,426,320,541,141.48 - Step 5: Solve for x
x = 2,426,320,541,141.48/1,768,421.79 - Step 6: Final answer
x = 1,372,025.92
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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.