Finding the Fourth Proportional to 3,230,154.64, 4,457,812.49 and 1,779,849.84
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Solution
The fourth proportional to 3,230,154.64, 4,457,812.49 and 1,779,849.84 is: 2,456,302.48
Step by Step Solution
- Step 1: Write the proportion equation
3,230,154.64 : 4,457,812.49 = 1,779,849.84 : x - Step 2: Convert to fraction form
3,230,154.64/4,457,812.49 = 1,779,849.84/x - Step 3: Cross multiply
3,230,154.64x = 4,457,812.49 × 1,779,849.84 - Step 4: Simplify right side
3,230,154.64x = 7,934,236,847,076.50 - Step 5: Solve for x
x = 7,934,236,847,076.50/3,230,154.64 - Step 6: Final answer
x = 2,456,302.48
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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.