Finding the Fourth Proportional to 1,556,206.16, 2,147,580.84 and 877,142.66
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Solution
The fourth proportional to 1,556,206.16, 2,147,580.84 and 877,142.66 is: 1,210,466.08
Step by Step Solution
- Step 1: Write the proportion equation
1,556,206.16 : 2,147,580.84 = 877,142.66 : x - Step 2: Convert to fraction form
1,556,206.16/2,147,580.84 = 877,142.66/x - Step 3: Cross multiply
1,556,206.16x = 2,147,580.84 × 877,142.66 - Step 4: Simplify right side
1,556,206.16x = 1,883,734,770,562.63 - Step 5: Solve for x
x = 1,883,734,770,562.63/1,556,206.16 - Step 6: Final answer
x = 1,210,466.08
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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.