Finding the Fourth Proportional to 3,612,569.14, 5,423,477.94 and 3,103,491.21
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Solution
The fourth proportional to 3,612,569.14, 5,423,477.94 and 3,103,491.21 is: 4,659,209.41
Step by Step Solution
- Step 1: Write the proportion equation
3,612,569.14 : 5,423,477.94 = 3,103,491.21 : x - Step 2: Convert to fraction form
3,612,569.14/5,423,477.94 = 3,103,491.21/x - Step 3: Cross multiply
3,612,569.14x = 5,423,477.94 × 3,103,491.21 - Step 4: Simplify right side
3,612,569.14x = 16,831,716,114,418.91 - Step 5: Solve for x
x = 16,831,716,114,418.91/3,612,569.14 - Step 6: Final answer
x = 4,659,209.41
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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.