Finding the Fourth Proportional to 1,459,861.53, 2,014,316.70 and 815,182.53
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Solution
The fourth proportional to 1,459,861.53, 2,014,316.70 and 815,182.53 is: 1,124,788.72
Step by Step Solution
- Step 1: Write the proportion equation
1,459,861.53 : 2,014,316.70 = 815,182.53 : x - Step 2: Convert to fraction form
1,459,861.53/2,014,316.70 = 815,182.53/x - Step 3: Cross multiply
1,459,861.53x = 2,014,316.70 × 815,182.53 - Step 4: Simplify right side
1,459,861.53x = 1,642,035,783,727.25 - Step 5: Solve for x
x = 1,642,035,783,727.25/1,459,861.53 - Step 6: Final answer
x = 1,124,788.72
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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.