Finding the Fourth Proportional to 2,568,859.68, 3,853,141.20 and 771,703.68
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Solution
The fourth proportional to 2,568,859.68, 3,853,141.20 and 771,703.68 is: 1,157,510.96
Step by Step Solution
- Step 1: Write the proportion equation
2,568,859.68 : 3,853,141.20 = 771,703.68 : x - Step 2: Convert to fraction form
2,568,859.68/3,853,141.20 = 771,703.68/x - Step 3: Cross multiply
2,568,859.68x = 3,853,141.20 × 771,703.68 - Step 4: Simplify right side
2,568,859.68x = 2,973,483,243,599.62 - Step 5: Solve for x
x = 2,973,483,243,599.62/2,568,859.68 - Step 6: Final answer
x = 1,157,510.96
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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.