Finding the Fourth Proportional to 1,556,183.48, 2,147,549.60 and 877,119.98
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Solution
The fourth proportional to 1,556,183.48, 2,147,549.60 and 877,119.98 is: 1,210,434.81
Step by Step Solution
- Step 1: Write the proportion equation
1,556,183.48 : 2,147,549.60 = 877,119.98 : x - Step 2: Convert to fraction form
1,556,183.48/2,147,549.60 = 877,119.98/x - Step 3: Cross multiply
1,556,183.48x = 2,147,549.60 × 877,119.98 - Step 4: Simplify right side
1,556,183.48x = 1,883,658,647,077.66 - Step 5: Solve for x
x = 1,883,658,647,077.66/1,556,183.48 - Step 6: Final answer
x = 1,210,434.81
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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.