Finding the Fourth Proportional to 1,546,406.74, 2,129,191.41 and 1,404,689.14
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Solution
The fourth proportional to 1,546,406.74, 2,129,191.41 and 1,404,689.14 is: 1,934,065.58
Step by Step Solution
- Step 1: Write the proportion equation
1,546,406.74 : 2,129,191.41 = 1,404,689.14 : x - Step 2: Convert to fraction form
1,546,406.74/2,129,191.41 = 1,404,689.14/x - Step 3: Cross multiply
1,546,406.74x = 2,129,191.41 × 1,404,689.14 - Step 4: Simplify right side
1,546,406.74x = 2,990,852,050,608.29 - Step 5: Solve for x
x = 2,990,852,050,608.29/1,546,406.74 - Step 6: Final answer
x = 1,934,065.58
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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.