Finding the Fourth Proportional to 3,542,870.05, 5,315,148.69 and 1,146,715.09
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Solution
The fourth proportional to 3,542,870.05, 5,315,148.69 and 1,146,715.09 is: 1,720,345.69
Step by Step Solution
- Step 1: Write the proportion equation
3,542,870.05 : 5,315,148.69 = 1,146,715.09 : x - Step 2: Convert to fraction form
3,542,870.05/5,315,148.69 = 1,146,715.09/x - Step 3: Cross multiply
3,542,870.05x = 5,315,148.69 × 1,146,715.09 - Step 4: Simplify right side
3,542,870.05x = 6,094,961,208,416.73 - Step 5: Solve for x
x = 6,094,961,208,416.73/3,542,870.05 - Step 6: Final answer
x = 1,720,345.69
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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.