Finding the Fourth Proportional to 1,787,664.12, 2,467,025.10 and 971,922.66
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Solution
The fourth proportional to 1,787,664.12, 2,467,025.10 and 971,922.66 is: 1,341,279.70
Step by Step Solution
- Step 1: Write the proportion equation
1,787,664.12 : 2,467,025.10 = 971,922.66 : x - Step 2: Convert to fraction form
1,787,664.12/2,467,025.10 = 971,922.66/x - Step 3: Cross multiply
1,787,664.12x = 2,467,025.10 × 971,922.66 - Step 4: Simplify right side
1,787,664.12x = 2,397,757,597,478.77 - Step 5: Solve for x
x = 2,397,757,597,478.77/1,787,664.12 - Step 6: Final answer
x = 1,341,279.70
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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.