Finding the Fourth Proportional to 2,306,786.24, 3,183,633.68 and 1,918,915.68
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Solution
The fourth proportional to 2,306,786.24, 3,183,633.68 and 1,918,915.68 is: 2,648,327.13
Step by Step Solution
- Step 1: Write the proportion equation
2,306,786.24 : 3,183,633.68 = 1,918,915.68 : x - Step 2: Convert to fraction form
2,306,786.24/3,183,633.68 = 1,918,915.68/x - Step 3: Cross multiply
2,306,786.24x = 3,183,633.68 × 1,918,915.68 - Step 4: Simplify right side
2,306,786.24x = 6,109,124,587,928.10 - Step 5: Solve for x
x = 6,109,124,587,928.10/2,306,786.24 - Step 6: Final answer
x = 2,648,327.13
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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.