Finding the Fourth Proportional to 2,416,846.99, 3,335,172.50 and 1,329,115.20
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Solution
The fourth proportional to 2,416,846.99, 3,335,172.50 and 1,329,115.20 is: 1,834,136.99
Step by Step Solution
- Step 1: Write the proportion equation
2,416,846.99 : 3,335,172.50 = 1,329,115.20 : x - Step 2: Convert to fraction form
2,416,846.99/3,335,172.50 = 1,329,115.20/x - Step 3: Cross multiply
2,416,846.99x = 3,335,172.50 × 1,329,115.20 - Step 4: Simplify right side
2,416,846.99x = 4,432,828,467,694.79 - Step 5: Solve for x
x = 4,432,828,467,694.79/2,416,846.99 - Step 6: Final answer
x = 1,834,136.99
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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.