Finding the Fourth Proportional to 2,624,711.52, 3,621,967.92 and 1,478,859.60
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Solution
The fourth proportional to 2,624,711.52, 3,621,967.92 and 1,478,859.60 is: 2,040,750.76
Step by Step Solution
- Step 1: Write the proportion equation
2,624,711.52 : 3,621,967.92 = 1,478,859.60 : x - Step 2: Convert to fraction form
2,624,711.52/3,621,967.92 = 1,478,859.60/x - Step 3: Cross multiply
2,624,711.52x = 3,621,967.92 × 1,478,859.60 - Step 4: Simplify right side
2,624,711.52x = 5,356,382,029,384.03 - Step 5: Solve for x
x = 5,356,382,029,384.03/2,624,711.52 - Step 6: Final answer
x = 2,040,750.76
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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.