Finding the Fourth Proportional to 3,165,401.25, 4,368,247.62 and 1,715,135.94
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Solution
The fourth proportional to 3,165,401.25, 4,368,247.62 and 1,715,135.94 is: 2,366,884.29
Step by Step Solution
- Step 1: Write the proportion equation
3,165,401.25 : 4,368,247.62 = 1,715,135.94 : x - Step 2: Convert to fraction form
3,165,401.25/4,368,247.62 = 1,715,135.94/x - Step 3: Cross multiply
3,165,401.25x = 4,368,247.62 × 1,715,135.94 - Step 4: Simplify right side
3,165,401.25x = 7,492,138,487,881.46 - Step 5: Solve for x
x = 7,492,138,487,881.46/3,165,401.25 - Step 6: Final answer
x = 2,366,884.29
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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.