Finding the Fourth Proportional to 4,122,578.84, 5,689,165.44 and 2,287,037.18
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Solution
The fourth proportional to 4,122,578.84, 5,689,165.44 and 2,287,037.18 is: 3,156,114.99
Step by Step Solution
- Step 1: Write the proportion equation
4,122,578.84 : 5,689,165.44 = 2,287,037.18 : x - Step 2: Convert to fraction form
4,122,578.84/5,689,165.44 = 2,287,037.18/x - Step 3: Cross multiply
4,122,578.84x = 5,689,165.44 × 2,287,037.18 - Step 4: Simplify right side
4,122,578.84x = 13,011,332,855,951.93 - Step 5: Solve for x
x = 13,011,332,855,951.93/4,122,578.84 - Step 6: Final answer
x = 3,156,114.99
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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.