Finding the Fourth Proportional to 4,835,615.51, 6,672,938.60 and 2,660,020.67
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Solution
The fourth proportional to 4,835,615.51, 6,672,938.60 and 2,660,020.67 is: 3,670,712.56
Step by Step Solution
- Step 1: Write the proportion equation
4,835,615.51 : 6,672,938.60 = 2,660,020.67 : x - Step 2: Convert to fraction form
4,835,615.51/6,672,938.60 = 2,660,020.67/x - Step 3: Cross multiply
4,835,615.51x = 6,672,938.60 × 2,660,020.67 - Step 4: Simplify right side
4,835,615.51x = 17,750,154,592,340.76 - Step 5: Solve for x
x = 17,750,154,592,340.76/4,835,615.51 - Step 6: Final answer
x = 3,670,712.56
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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.