Finding the Fourth Proportional to 3,190,904.63, 4,786,398.61 and 1,060,988.75
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Solution
The fourth proportional to 3,190,904.63, 4,786,398.61 and 1,060,988.75 is: 1,591,496.97
Step by Step Solution
- Step 1: Write the proportion equation
3,190,904.63 : 4,786,398.61 = 1,060,988.75 : x - Step 2: Convert to fraction form
3,190,904.63/4,786,398.61 = 1,060,988.75/x - Step 3: Cross multiply
3,190,904.63x = 4,786,398.61 × 1,060,988.75 - Step 4: Simplify right side
3,190,904.63x = 5,078,315,051,641.17 - Step 5: Solve for x
x = 5,078,315,051,641.17/3,190,904.63 - Step 6: Final answer
x = 1,591,496.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.