Finding the Fourth Proportional to 3,230,340.06, 4,457,564.70 and 1,905,557.34
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Solution
The fourth proportional to 3,230,340.06, 4,457,564.70 and 1,905,557.34 is: 2,629,489.46
Step by Step Solution
- Step 1: Write the proportion equation
3,230,340.06 : 4,457,564.70 = 1,905,557.34 : x - Step 2: Convert to fraction form
3,230,340.06/4,457,564.70 = 1,905,557.34/x - Step 3: Cross multiply
3,230,340.06x = 4,457,564.70 × 1,905,557.34 - Step 4: Simplify right side
3,230,340.06x = 8,494,145,132,609.90 - Step 5: Solve for x
x = 8,494,145,132,609.90/3,230,340.06 - Step 6: Final answer
x = 2,629,489.46
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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.