Finding the Fourth Proportional to 2,985,517.63, 4,118,716.92 and 1,897,206.49
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Solution
The fourth proportional to 2,985,517.63, 4,118,716.92 and 1,897,206.49 is: 2,617,320.49
Step by Step Solution
- Step 1: Write the proportion equation
2,985,517.63 : 4,118,716.92 = 1,897,206.49 : x - Step 2: Convert to fraction form
2,985,517.63/4,118,716.92 = 1,897,206.49/x - Step 3: Cross multiply
2,985,517.63x = 4,118,716.92 × 1,897,206.49 - Step 4: Simplify right side
2,985,517.63x = 7,814,056,471,096.81 - Step 5: Solve for x
x = 7,814,056,471,096.81/2,985,517.63 - Step 6: Final answer
x = 2,617,320.49
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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.