Finding the Fourth Proportional to 1,556,129.36, 2,147,475.36 and 877,065.92
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Solution
The fourth proportional to 1,556,129.36, 2,147,475.36 and 877,065.92 is: 1,210,360.46
Step by Step Solution
- Step 1: Write the proportion equation
1,556,129.36 : 2,147,475.36 = 877,065.92 : x - Step 2: Convert to fraction form
1,556,129.36/2,147,475.36 = 877,065.92/x - Step 3: Cross multiply
1,556,129.36x = 2,147,475.36 × 877,065.92 - Step 4: Simplify right side
1,556,129.36x = 1,883,477,452,295.73 - Step 5: Solve for x
x = 1,883,477,452,295.73/1,556,129.36 - Step 6: Final answer
x = 1,210,360.46
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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.