Finding the Fourth Proportional to 2,539,690.85, 3,504,816.12 and 1,393,877.81
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Solution
The fourth proportional to 2,539,690.85, 3,504,816.12 and 1,393,877.81 is: 1,923,574.84
Step by Step Solution
- Step 1: Write the proportion equation
2,539,690.85 : 3,504,816.12 = 1,393,877.81 : x - Step 2: Convert to fraction form
2,539,690.85/3,504,816.12 = 1,393,877.81/x - Step 3: Cross multiply
2,539,690.85x = 3,504,816.12 × 1,393,877.81 - Step 4: Simplify right side
2,539,690.85x = 4,885,285,400,274.22 - Step 5: Solve for x
x = 4,885,285,400,274.22/2,539,690.85 - Step 6: Final answer
x = 1,923,574.84
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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.