Finding the Fourth Proportional to 2,136,486.90, 3,205,834.99 and 939,249.14
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Solution
The fourth proportional to 2,136,486.90, 3,205,834.99 and 939,249.14 is: 1,409,359.34
Step by Step Solution
- Step 1: Write the proportion equation
2,136,486.90 : 3,205,834.99 = 939,249.14 : x - Step 2: Convert to fraction form
2,136,486.90/3,205,834.99 = 939,249.14/x - Step 3: Cross multiply
2,136,486.90x = 3,205,834.99 × 939,249.14 - Step 4: Simplify right side
2,136,486.90x = 3,011,077,757,339.41 - Step 5: Solve for x
x = 3,011,077,757,339.41/2,136,486.90 - Step 6: Final answer
x = 1,409,359.34
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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.