Finding the Fourth Proportional to 2,481,520.64, 3,424,340.76 and 1,393,764.08
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Solution
The fourth proportional to 2,481,520.64, 3,424,340.76 and 1,393,764.08 is: 1,923,305.84
Step by Step Solution
- Step 1: Write the proportion equation
2,481,520.64 : 3,424,340.76 = 1,393,764.08 : x - Step 2: Convert to fraction form
2,481,520.64/3,424,340.76 = 1,393,764.08/x - Step 3: Cross multiply
2,481,520.64x = 3,424,340.76 × 1,393,764.08 - Step 4: Simplify right side
2,481,520.64x = 4,772,723,148,967.90 - Step 5: Solve for x
x = 4,772,723,148,967.90/2,481,520.64 - Step 6: Final answer
x = 1,923,305.84
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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.