Finding the Fourth Proportional to 1,459,849.28, 2,014,299.76 and 815,170.28
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Solution
The fourth proportional to 1,459,849.28, 2,014,299.76 and 815,170.28 is: 1,124,771.80
Step by Step Solution
- Step 1: Write the proportion equation
1,459,849.28 : 2,014,299.76 = 815,170.28 : x - Step 2: Convert to fraction form
1,459,849.28/2,014,299.76 = 815,170.28/x - Step 3: Cross multiply
1,459,849.28x = 2,014,299.76 × 815,170.28 - Step 4: Simplify right side
1,459,849.28x = 1,641,997,299,363.13 - Step 5: Solve for x
x = 1,641,997,299,363.13/1,459,849.28 - Step 6: Final answer
x = 1,124,771.80
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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.