Finding the Fourth Proportional to 3,398,738.21, 4,690,382.58 and 1,849,925.06
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Solution
The fourth proportional to 3,398,738.21, 4,690,382.58 and 1,849,925.06 is: 2,552,963.99
Step by Step Solution
- Step 1: Write the proportion equation
3,398,738.21 : 4,690,382.58 = 1,849,925.06 : x - Step 2: Convert to fraction form
3,398,738.21/4,690,382.58 = 1,849,925.06/x - Step 3: Cross multiply
3,398,738.21x = 4,690,382.58 × 1,849,925.06 - Step 4: Simplify right side
3,398,738.21x = 8,676,856,275,729.46 - Step 5: Solve for x
x = 8,676,856,275,729.46/3,398,738.21 - Step 6: Final answer
x = 2,552,963.99
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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.