Finding the Fourth Proportional to 3,398,097.09, 4,689,374.70 and 1,849,364.82
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Solution
The fourth proportional to 3,398,097.09, 4,689,374.70 and 1,849,364.82 is: 2,552,123.84
Step by Step Solution
- Step 1: Write the proportion equation
3,398,097.09 : 4,689,374.70 = 1,849,364.82 : x - Step 2: Convert to fraction form
3,398,097.09/4,689,374.70 = 1,849,364.82/x - Step 3: Cross multiply
3,398,097.09x = 4,689,374.70 × 1,849,364.82 - Step 4: Simplify right side
3,398,097.09x = 8,672,364,597,978.06 - Step 5: Solve for x
x = 8,672,364,597,978.06/3,398,097.09 - Step 6: Final answer
x = 2,552,123.84
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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.