Finding the Fourth Proportional to 3,582,423.40, 5,374,343.84 and 1,023,661.48
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Solution
The fourth proportional to 3,582,423.40, 5,374,343.84 and 1,023,661.48 is: 1,535,694.74
Step by Step Solution
- Step 1: Write the proportion equation
3,582,423.40 : 5,374,343.84 = 1,023,661.48 : x - Step 2: Convert to fraction form
3,582,423.40/5,374,343.84 = 1,023,661.48/x - Step 3: Cross multiply
3,582,423.40x = 5,374,343.84 × 1,023,661.48 - Step 4: Simplify right side
3,582,423.40x = 5,501,508,769,283.28 - Step 5: Solve for x
x = 5,501,508,769,283.28/3,582,423.40 - Step 6: Final answer
x = 1,535,694.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.