Finding the Fourth Proportional to 4,851,760.68, 7,278,512.49 and 1,656,139.50
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Solution
The fourth proportional to 4,851,760.68, 7,278,512.49 and 1,656,139.50 is: 2,484,506.72
Step by Step Solution
- Step 1: Write the proportion equation
4,851,760.68 : 7,278,512.49 = 1,656,139.50 : x - Step 2: Convert to fraction form
4,851,760.68/7,278,512.49 = 1,656,139.50/x - Step 3: Cross multiply
4,851,760.68x = 7,278,512.49 × 1,656,139.50 - Step 4: Simplify right side
4,851,760.68x = 12,054,232,035,932.36 - Step 5: Solve for x
x = 12,054,232,035,932.36/4,851,760.68 - Step 6: Final answer
x = 2,484,506.72
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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.