Finding the Fourth Proportional to 2,299,206.42, 3,172,905.80 and 1,332,896.94
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Solution
The fourth proportional to 2,299,206.42, 3,172,905.80 and 1,332,896.94 is: 1,839,398.32
Step by Step Solution
- Step 1: Write the proportion equation
2,299,206.42 : 3,172,905.80 = 1,332,896.94 : x - Step 2: Convert to fraction form
2,299,206.42/3,172,905.80 = 1,332,896.94/x - Step 3: Cross multiply
2,299,206.42x = 3,172,905.80 × 1,332,896.94 - Step 4: Simplify right side
2,299,206.42x = 4,229,156,431,728.25 - Step 5: Solve for x
x = 4,229,156,431,728.25/2,299,206.42 - Step 6: Final answer
x = 1,839,398.32
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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.