Finding the Fourth Proportional to 3,959,106.08, 5,935,751.28 and 1,261,878.56
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Solution
The fourth proportional to 3,959,106.08, 5,935,751.28 and 1,261,878.56 is: 1,891,891.03
Step by Step Solution
- Step 1: Write the proportion equation
3,959,106.08 : 5,935,751.28 = 1,261,878.56 : x - Step 2: Convert to fraction form
3,959,106.08/5,935,751.28 = 1,261,878.56/x - Step 3: Cross multiply
3,959,106.08x = 5,935,751.28 × 1,261,878.56 - Step 4: Simplify right side
3,959,106.08x = 7,490,197,277,724.56 - Step 5: Solve for x
x = 7,490,197,277,724.56/3,959,106.08 - Step 6: Final answer
x = 1,891,891.03
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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.