Finding the Fourth Proportional to 2,963,967.99, 4,088,018.91 and 2,551,207.29
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Solution
The fourth proportional to 2,963,967.99, 4,088,018.91 and 2,551,207.29 is: 3,518,723.44
Step by Step Solution
- Step 1: Write the proportion equation
2,963,967.99 : 4,088,018.91 = 2,551,207.29 : x - Step 2: Convert to fraction form
2,963,967.99/4,088,018.91 = 2,551,207.29/x - Step 3: Cross multiply
2,963,967.99x = 4,088,018.91 × 2,551,207.29 - Step 4: Simplify right side
2,963,967.99x = 10,429,383,644,849.85 - Step 5: Solve for x
x = 10,429,383,644,849.85/2,963,967.99 - Step 6: Final answer
x = 3,518,723.44
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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.