Finding the Fourth Proportional to 3,811,772.79, 5,716,446.66 and 1,252,397.79
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Solution
The fourth proportional to 3,811,772.79, 5,716,446.66 and 1,252,397.79 is: 1,878,198.30
Step by Step Solution
- Step 1: Write the proportion equation
3,811,772.79 : 5,716,446.66 = 1,252,397.79 : x - Step 2: Convert to fraction form
3,811,772.79/5,716,446.66 = 1,252,397.79/x - Step 3: Cross multiply
3,811,772.79x = 5,716,446.66 × 1,252,397.79 - Step 4: Simplify right side
3,811,772.79x = 7,159,265,163,636.88 - Step 5: Solve for x
x = 7,159,265,163,636.88/3,811,772.79 - Step 6: Final answer
x = 1,878,198.30
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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.