Finding the Fourth Proportional to 1,486,913.40, 2,230,370.10 and 1,410,149.70
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Solution
The fourth proportional to 1,486,913.40, 2,230,370.10 and 1,410,149.70 is: 2,115,224.55
Step by Step Solution
- Step 1: Write the proportion equation
1,486,913.40 : 2,230,370.10 = 1,410,149.70 : x - Step 2: Convert to fraction form
1,486,913.40/2,230,370.10 = 1,410,149.70/x - Step 3: Cross multiply
1,486,913.40x = 2,230,370.10 × 1,410,149.70 - Step 4: Simplify right side
1,486,913.40x = 3,145,155,727,403.97 - Step 5: Solve for x
x = 3,145,155,727,403.97/1,486,913.40 - Step 6: Final answer
x = 2,115,224.55
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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.