Finding the Fourth Proportional to 3,408,561.50, 4,705,519.41 and 2,119,817.07
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Solution
The fourth proportional to 3,408,561.50, 4,705,519.41 and 2,119,817.07 is: 2,926,407.63
Step by Step Solution
- Step 1: Write the proportion equation
3,408,561.50 : 4,705,519.41 = 2,119,817.07 : x - Step 2: Convert to fraction form
3,408,561.50/4,705,519.41 = 2,119,817.07/x - Step 3: Cross multiply
3,408,561.50x = 4,705,519.41 × 2,119,817.07 - Step 4: Simplify right side
3,408,561.50x = 9,974,840,368,534.33 - Step 5: Solve for x
x = 9,974,840,368,534.33/3,408,561.50 - Step 6: Final answer
x = 2,926,407.63
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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.