Finding the Fourth Proportional to 2,185,707.71, 3,017,107.49 and 1,643,418.24
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Solution
The fourth proportional to 2,185,707.71, 3,017,107.49 and 1,643,418.24 is: 2,268,541.88
Step by Step Solution
- Step 1: Write the proportion equation
2,185,707.71 : 3,017,107.49 = 1,643,418.24 : x - Step 2: Convert to fraction form
2,185,707.71/3,017,107.49 = 1,643,418.24/x - Step 3: Cross multiply
2,185,707.71x = 3,017,107.49 × 1,643,418.24 - Step 4: Simplify right side
2,185,707.71x = 4,958,369,481,106.62 - Step 5: Solve for x
x = 4,958,369,481,106.62/2,185,707.71 - Step 6: Final answer
x = 2,268,541.88
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1.5x scale
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.