Finding the Fourth Proportional to 5,518,218.24, 8,278,573.20 and 1,680,384
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Solution
The fourth proportional to 5,518,218.24, 8,278,573.20 and 1,680,384 is: 2,520,955.38
Step by Step Solution
- Step 1: Write the proportion equation
5,518,218.24 : 8,278,573.20 = 1,680,384 : x - Step 2: Convert to fraction form
5,518,218.24/8,278,573.20 = 1,680,384/x - Step 3: Cross multiply
5,518,218.24x = 8,278,573.20 × 1,680,384 - Step 4: Simplify right side
5,518,218.24x = 13,911,181,948,108.80 - Step 5: Solve for x
x = 13,911,181,948,108.80/5,518,218.24 - Step 6: Final answer
x = 2,520,955.38
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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.