Finding the Fourth Proportional to 1,540,478.32, 2,125,797.74 and 842,747.88
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Solution
The fourth proportional to 1,540,478.32, 2,125,797.74 and 842,747.88 is: 1,162,957.97
Step by Step Solution
- Step 1: Write the proportion equation
1,540,478.32 : 2,125,797.74 = 842,747.88 : x - Step 2: Convert to fraction form
1,540,478.32/2,125,797.74 = 842,747.88/x - Step 3: Cross multiply
1,540,478.32x = 2,125,797.74 × 842,747.88 - Step 4: Simplify right side
1,540,478.32x = 1,791,511,538,693.79 - Step 5: Solve for x
x = 1,791,511,538,693.79/1,540,478.32 - Step 6: Final answer
x = 1,162,957.97
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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.