Finding the Fourth Proportional to 3,165,408.54, 4,368,257.58 and 1,715,143.23
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Solution
The fourth proportional to 3,165,408.54, 4,368,257.58 and 1,715,143.23 is: 2,366,894.30
Step by Step Solution
- Step 1: Write the proportion equation
3,165,408.54 : 4,368,257.58 = 1,715,143.23 : x - Step 2: Convert to fraction form
3,165,408.54/4,368,257.58 = 1,715,143.23/x - Step 3: Cross multiply
3,165,408.54x = 4,368,257.58 × 1,715,143.23 - Step 4: Simplify right side
3,165,408.54x = 7,492,187,415,233.18 - Step 5: Solve for x
x = 7,492,187,415,233.18/3,165,408.54 - Step 6: Final answer
x = 2,366,894.30
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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.