Finding the Fourth Proportional to 2,948,596.51, 4,070,318.69 and 1,982,287.28
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Solution
The fourth proportional to 2,948,596.51, 4,070,318.69 and 1,982,287.28 is: 2,736,400.50
Step by Step Solution
- Step 1: Write the proportion equation
2,948,596.51 : 4,070,318.69 = 1,982,287.28 : x - Step 2: Convert to fraction form
2,948,596.51/4,070,318.69 = 1,982,287.28/x - Step 3: Cross multiply
2,948,596.51x = 4,070,318.69 × 1,982,287.28 - Step 4: Simplify right side
2,948,596.51x = 8,068,540,964,733.26 - Step 5: Solve for x
x = 8,068,540,964,733.26/2,948,596.51 - Step 6: Final answer
x = 2,736,400.50
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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.