Finding the Fourth Proportional to 2,747,617.24, 3,787,332.32 and 2,165,892.46
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Solution
The fourth proportional to 2,747,617.24, 3,787,332.32 and 2,165,892.46 is: 2,985,479.34
Step by Step Solution
- Step 1: Write the proportion equation
2,747,617.24 : 3,787,332.32 = 2,165,892.46 : x - Step 2: Convert to fraction form
2,747,617.24/3,787,332.32 = 2,165,892.46/x - Step 3: Cross multiply
2,747,617.24x = 3,787,332.32 × 2,165,892.46 - Step 4: Simplify right side
2,747,617.24x = 8,202,954,515,402.31 - Step 5: Solve for x
x = 8,202,954,515,402.31/2,747,617.24 - Step 6: Final answer
x = 2,985,479.34
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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.