Finding the Fourth Proportional to 2,001,376.32, 2,761,845.84 and 1,141,920.96
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Solution
The fourth proportional to 2,001,376.32, 2,761,845.84 and 1,141,920.96 is: 1,575,820.41
Step by Step Solution
- Step 1: Write the proportion equation
2,001,376.32 : 2,761,845.84 = 1,141,920.96 : x - Step 2: Convert to fraction form
2,001,376.32/2,761,845.84 = 1,141,920.96/x - Step 3: Cross multiply
2,001,376.32x = 2,761,845.84 × 1,141,920.96 - Step 4: Simplify right side
2,001,376.32x = 3,153,809,652,984.81 - Step 5: Solve for x
x = 3,153,809,652,984.81/2,001,376.32 - Step 6: Final answer
x = 1,575,820.41
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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.