Finding the Fourth Proportional to 2,716,320.84, 3,744,777.12 and 2,166,901.31
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Solution
The fourth proportional to 2,716,320.84, 3,744,777.12 and 2,166,901.31 is: 2,987,335.79
Step by Step Solution
- Step 1: Write the proportion equation
2,716,320.84 : 3,744,777.12 = 2,166,901.31 : x - Step 2: Convert to fraction form
2,716,320.84/3,744,777.12 = 2,166,901.31/x - Step 3: Cross multiply
2,716,320.84x = 3,744,777.12 × 2,166,901.31 - Step 4: Simplify right side
2,716,320.84x = 8,114,562,448,222.09 - Step 5: Solve for x
x = 8,114,562,448,222.09/2,716,320.84 - Step 6: Final answer
x = 2,987,335.79
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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.