Finding the Fourth Proportional to 3,995,215.68, 5,992,998.40 and 1,155,614.88
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Solution
The fourth proportional to 3,995,215.68, 5,992,998.40 and 1,155,614.88 is: 1,733,472.90
Step by Step Solution
- Step 1: Write the proportion equation
3,995,215.68 : 5,992,998.40 = 1,155,614.88 : x - Step 2: Convert to fraction form
3,995,215.68/5,992,998.40 = 1,155,614.88/x - Step 3: Cross multiply
3,995,215.68x = 5,992,998.40 × 1,155,614.88 - Step 4: Simplify right side
3,995,215.68x = 6,925,598,126,856.19 - Step 5: Solve for x
x = 6,925,598,126,856.19/3,995,215.68 - Step 6: Final answer
x = 1,733,472.90
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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.