Finding the Fourth Proportional to 2,839,912.79, 4,256,713.74 and 2,163,764.83
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Solution
The fourth proportional to 2,839,912.79, 4,256,713.74 and 2,163,764.83 is: 3,243,243.07
Step by Step Solution
- Step 1: Write the proportion equation
2,839,912.79 : 4,256,713.74 = 2,163,764.83 : x - Step 2: Convert to fraction form
2,839,912.79/4,256,713.74 = 2,163,764.83/x - Step 3: Cross multiply
2,839,912.79x = 4,256,713.74 × 2,163,764.83 - Step 4: Simplify right side
2,839,912.79x = 9,210,527,479,462.10 - Step 5: Solve for x
x = 9,210,527,479,462.10/2,839,912.79 - Step 6: Final answer
x = 3,243,243.07
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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.