Finding the Fourth Proportional to 1,486,868.40, 2,230,302.60 and 1,410,104.70
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Solution
The fourth proportional to 1,486,868.40, 2,230,302.60 and 1,410,104.70 is: 2,115,157.05
Step by Step Solution
- Step 1: Write the proportion equation
1,486,868.40 : 2,230,302.60 = 1,410,104.70 : x - Step 2: Convert to fraction form
1,486,868.40/2,230,302.60 = 1,410,104.70/x - Step 3: Cross multiply
1,486,868.40x = 2,230,302.60 × 1,410,104.70 - Step 4: Simplify right side
1,486,868.40x = 3,144,960,178,682.22 - Step 5: Solve for x
x = 3,144,960,178,682.22/1,486,868.40 - Step 6: Final answer
x = 2,115,157.05
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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.