Finding the Fourth Proportional to 3,816,612.99, 5,716,698.30 and 1,791,822.78
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Solution
The fourth proportional to 3,816,612.99, 5,716,698.30 and 1,791,822.78 is: 2,683,874.49
Step by Step Solution
- Step 1: Write the proportion equation
3,816,612.99 : 5,716,698.30 = 1,791,822.78 : x - Step 2: Convert to fraction form
3,816,612.99/5,716,698.30 = 1,791,822.78/x - Step 3: Cross multiply
3,816,612.99x = 5,716,698.30 × 1,791,822.78 - Step 4: Simplify right side
3,816,612.99x = 10,243,310,240,327.27 - Step 5: Solve for x
x = 10,243,310,240,327.27/3,816,612.99 - Step 6: Final answer
x = 2,683,874.49
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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.