Finding the Fourth Proportional to 3,237,172.84, 4,467,298.78 and 1,786,868.68
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Solution
The fourth proportional to 3,237,172.84, 4,467,298.78 and 1,786,868.68 is: 2,465,878.92
Step by Step Solution
- Step 1: Write the proportion equation
3,237,172.84 : 4,467,298.78 = 1,786,868.68 : x - Step 2: Convert to fraction form
3,237,172.84/4,467,298.78 = 1,786,868.68/x - Step 3: Cross multiply
3,237,172.84x = 4,467,298.78 × 1,786,868.68 - Step 4: Simplify right side
3,237,172.84x = 7,982,476,274,184.21 - Step 5: Solve for x
x = 7,982,476,274,184.21/3,237,172.84 - Step 6: Final answer
x = 2,465,878.92
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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.