Finding the Fourth Proportional to 5,558,230.39, 8,338,142.47 and 1,720,389.84
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Solution
The fourth proportional to 5,558,230.39, 8,338,142.47 and 1,720,389.84 is: 2,580,831.42
Step by Step Solution
- Step 1: Write the proportion equation
5,558,230.39 : 8,338,142.47 = 1,720,389.84 : x - Step 2: Convert to fraction form
5,558,230.39/8,338,142.47 = 1,720,389.84/x - Step 3: Cross multiply
5,558,230.39x = 8,338,142.47 × 1,720,389.84 - Step 4: Simplify right side
5,558,230.39x = 14,344,855,624,611.27 - Step 5: Solve for x
x = 14,344,855,624,611.27/5,558,230.39 - Step 6: Final answer
x = 2,580,831.42
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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.