Finding the Fourth Proportional to 2,857,120.42, 3,942,737.36 and 1,567,927.66
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Solution
The fourth proportional to 2,857,120.42, 3,942,737.36 and 1,567,927.66 is: 2,163,691.43
Step by Step Solution
- Step 1: Write the proportion equation
2,857,120.42 : 3,942,737.36 = 1,567,927.66 : x - Step 2: Convert to fraction form
2,857,120.42/3,942,737.36 = 1,567,927.66/x - Step 3: Cross multiply
2,857,120.42x = 3,942,737.36 × 1,567,927.66 - Step 4: Simplify right side
2,857,120.42x = 6,181,926,962,859.38 - Step 5: Solve for x
x = 6,181,926,962,859.38/2,857,120.42 - Step 6: Final answer
x = 2,163,691.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.