Finding the Fourth Proportional to 3,431,743.20, 4,735,647.06 and 1,882,966.32
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Solution
The fourth proportional to 3,431,743.20, 4,735,647.06 and 1,882,966.32 is: 2,598,406.52
Step by Step Solution
- Step 1: Write the proportion equation
3,431,743.20 : 4,735,647.06 = 1,882,966.32 : x - Step 2: Convert to fraction form
3,431,743.20/4,735,647.06 = 1,882,966.32/x - Step 3: Cross multiply
3,431,743.20x = 4,735,647.06 × 1,882,966.32 - Step 4: Simplify right side
3,431,743.20x = 8,917,063,917,387.02 - Step 5: Solve for x
x = 8,917,063,917,387.02/3,431,743.20 - Step 6: Final answer
x = 2,598,406.52
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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.