Finding the Fourth Proportional to 5,387,551.10, 7,434,978.00 and 2,940,319.21
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Solution
The fourth proportional to 5,387,551.10, 7,434,978.00 and 2,940,319.21 is: 4,057,726.45
Step by Step Solution
- Step 1: Write the proportion equation
5,387,551.10 : 7,434,978.00 = 2,940,319.21 : x - Step 2: Convert to fraction form
5,387,551.10/7,434,978.00 = 2,940,319.21/x - Step 3: Cross multiply
5,387,551.10x = 7,434,978.00 × 2,940,319.21 - Step 4: Simplify right side
5,387,551.10x = 21,861,208,624,625.79 - Step 5: Solve for x
x = 21,861,208,624,625.79/5,387,551.10 - Step 6: Final answer
x = 4,057,726.45
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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.