Finding the Fourth Proportional to 2,177,165.79, 3,004,565.90 and 1,197,179.42
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Solution
The fourth proportional to 2,177,165.79, 3,004,565.90 and 1,197,179.42 is: 1,652,149.99
Step by Step Solution
- Step 1: Write the proportion equation
2,177,165.79 : 3,004,565.90 = 1,197,179.42 : x - Step 2: Convert to fraction form
2,177,165.79/3,004,565.90 = 1,197,179.42/x - Step 3: Cross multiply
2,177,165.79x = 3,004,565.90 × 1,197,179.42 - Step 4: Simplify right side
2,177,165.79x = 3,597,004,440,505.05 - Step 5: Solve for x
x = 3,597,004,440,505.05/2,177,165.79 - Step 6: Final answer
x = 1,652,149.99
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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.