Finding the Fourth Proportional to 1,785,487.28, 2,678,235.24 and 437,655.92
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Solution
The fourth proportional to 1,785,487.28, 2,678,235.24 and 437,655.92 is: 656,484.94
Step by Step Solution
- Step 1: Write the proportion equation
1,785,487.28 : 2,678,235.24 = 437,655.92 : x - Step 2: Convert to fraction form
1,785,487.28/2,678,235.24 = 437,655.92/x - Step 3: Cross multiply
1,785,487.28x = 2,678,235.24 × 437,655.92 - Step 4: Simplify right side
1,785,487.28x = 1,172,145,507,938.62 - Step 5: Solve for x
x = 1,172,145,507,938.62/1,785,487.28 - Step 6: Final answer
x = 656,484.94
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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.