Finding the Fourth Proportional to 2,001,211.71, 2,761,672.99 and 1,083,440.80
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Solution
The fourth proportional to 2,001,211.71, 2,761,672.99 and 1,083,440.80 is: 1,495,148.75
Step by Step Solution
- Step 1: Write the proportion equation
2,001,211.71 : 2,761,672.99 = 1,083,440.80 : x - Step 2: Convert to fraction form
2,001,211.71/2,761,672.99 = 1,083,440.80/x - Step 3: Cross multiply
2,001,211.71x = 2,761,672.99 × 1,083,440.80 - Step 4: Simplify right side
2,001,211.71x = 2,992,109,193,623.99 - Step 5: Solve for x
x = 2,992,109,193,623.99/2,001,211.71 - Step 6: Final answer
x = 1,495,148.75
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1.5x scale
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.