Finding the Fourth Proportional to 3,177,222, 4,381,548.84 and 2,090,415.84
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Solution
The fourth proportional to 3,177,222, 4,381,548.84 and 2,090,415.84 is: 2,882,788.52
Step by Step Solution
- Step 1: Write the proportion equation
3,177,222 : 4,381,548.84 = 2,090,415.84 : x - Step 2: Convert to fraction form
3,177,222/4,381,548.84 = 2,090,415.84/x - Step 3: Cross multiply
3,177,222x = 4,381,548.84 × 2,090,415.84 - Step 4: Simplify right side
3,177,222x = 9,159,259,098,869.63 - Step 5: Solve for x
x = 9,159,259,098,869.63/3,177,222 - Step 6: Final answer
x = 2,882,788.52
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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.