Finding the Fourth Proportional to 3,275,977.99, 4,519,517.99 and 2,173,929.10
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Solution
The fourth proportional to 3,275,977.99, 4,519,517.99 and 2,173,929.10 is: 2,999,138.48
Step by Step Solution
- Step 1: Write the proportion equation
3,275,977.99 : 4,519,517.99 = 2,173,929.10 : x - Step 2: Convert to fraction form
3,275,977.99/4,519,517.99 = 2,173,929.10/x - Step 3: Cross multiply
3,275,977.99x = 4,519,517.99 × 2,173,929.10 - Step 4: Simplify right side
3,275,977.99x = 9,825,111,642,967.28 - Step 5: Solve for x
x = 9,825,111,642,967.28/3,275,977.99 - Step 6: Final answer
x = 2,999,138.48
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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.