Finding the Fourth Proportional to 2,664,722.99, 3,997,047.35 and 642,949.92
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Solution
The fourth proportional to 2,664,722.99, 3,997,047.35 and 642,949.92 is: 964,415.92
Step by Step Solution
- Step 1: Write the proportion equation
2,664,722.99 : 3,997,047.35 = 642,949.92 : x - Step 2: Convert to fraction form
2,664,722.99/3,997,047.35 = 642,949.92/x - Step 3: Cross multiply
2,664,722.99x = 3,997,047.35 × 642,949.92 - Step 4: Simplify right side
2,664,722.99x = 2,569,901,275,526.09 - Step 5: Solve for x
x = 2,569,901,275,526.09/2,664,722.99 - Step 6: Final answer
x = 964,415.92
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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.