Finding the Fourth Proportional to 1,540,366.32, 2,125,780.12 and 852,035.20
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Solution
The fourth proportional to 1,540,366.32, 2,125,780.12 and 852,035.20 is: 1,175,849.84
Step by Step Solution
- Step 1: Write the proportion equation
1,540,366.32 : 2,125,780.12 = 852,035.20 : x - Step 2: Convert to fraction form
1,540,366.32/2,125,780.12 = 852,035.20/x - Step 3: Cross multiply
1,540,366.32x = 2,125,780.12 × 852,035.20 - Step 4: Simplify right side
1,540,366.32x = 1,811,239,489,700.22 - Step 5: Solve for x
x = 1,811,239,489,700.22/1,540,366.32 - Step 6: Final answer
x = 1,175,849.84
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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.