Finding the Fourth Proportional to 1,861,202.48, 2,791,997.78 and 513,365.31
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Solution
The fourth proportional to 1,861,202.48, 2,791,997.78 and 513,365.31 is: 770,101.49
Step by Step Solution
- Step 1: Write the proportion equation
1,861,202.48 : 2,791,997.78 = 513,365.31 : x - Step 2: Convert to fraction form
1,861,202.48/2,791,997.78 = 513,365.31/x - Step 3: Cross multiply
1,861,202.48x = 2,791,997.78 × 513,365.31 - Step 4: Simplify right side
1,861,202.48x = 1,433,314,803,282.19 - Step 5: Solve for x
x = 1,433,314,803,282.19/1,861,202.48 - Step 6: Final answer
x = 770,101.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.