Finding the Fourth Proportional to 3,230,342.91, 4,457,873.61 and 1,873,003.23
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Solution
The fourth proportional to 3,230,342.91, 4,457,873.61 and 1,873,003.23 is: 2,584,744.69
Step by Step Solution
- Step 1: Write the proportion equation
3,230,342.91 : 4,457,873.61 = 1,873,003.23 : x - Step 2: Convert to fraction form
3,230,342.91/4,457,873.61 = 1,873,003.23/x - Step 3: Cross multiply
3,230,342.91x = 4,457,873.61 × 1,873,003.23 - Step 4: Simplify right side
3,230,342.91x = 8,349,611,670,461.76 - Step 5: Solve for x
x = 8,349,611,670,461.76/3,230,342.91 - Step 6: Final answer
x = 2,584,744.69
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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.