Finding the Fourth Proportional to 4,825,809.81, 7,238,710.62 and 1,231,576.49
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Solution
The fourth proportional to 4,825,809.81, 7,238,710.62 and 1,231,576.49 is: 1,847,363.68
Step by Step Solution
- Step 1: Write the proportion equation
4,825,809.81 : 7,238,710.62 = 1,231,576.49 : x - Step 2: Convert to fraction form
4,825,809.81/7,238,710.62 = 1,231,576.49/x - Step 3: Cross multiply
4,825,809.81x = 7,238,710.62 × 1,231,576.49 - Step 4: Simplify right side
4,825,809.81x = 8,915,025,781,311.77 - Step 5: Solve for x
x = 8,915,025,781,311.77/4,825,809.81 - Step 6: Final answer
x = 1,847,363.68
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1.5x scale
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.