Finding the Fourth Proportional to 1,416,475.98, 1,954,679.94 and 771,882.39
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Solution
The fourth proportional to 1,416,475.98, 1,954,679.94 and 771,882.39 is: 1,065,166.68
Step by Step Solution
- Step 1: Write the proportion equation
1,416,475.98 : 1,954,679.94 = 771,882.39 : x - Step 2: Convert to fraction form
1,416,475.98/1,954,679.94 = 771,882.39/x - Step 3: Cross multiply
1,416,475.98x = 1,954,679.94 × 771,882.39 - Step 4: Simplify right side
1,416,475.98x = 1,508,783,023,772.26 - Step 5: Solve for x
x = 1,508,783,023,772.26/1,416,475.98 - Step 6: Final answer
x = 1,065,166.68
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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.