Finding the Fourth Proportional to 1,787,659.12, 2,467,018.24 and 971,917.68
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Solution
The fourth proportional to 1,787,659.12, 2,467,018.24 and 971,917.68 is: 1,341,272.85
Step by Step Solution
- Step 1: Write the proportion equation
1,787,659.12 : 2,467,018.24 = 971,917.68 : x - Step 2: Convert to fraction form
1,787,659.12/2,467,018.24 = 971,917.68/x - Step 3: Cross multiply
1,787,659.12x = 2,467,018.24 × 971,917.68 - Step 4: Simplify right side
1,787,659.12x = 2,397,738,644,338.48 - Step 5: Solve for x
x = 2,397,738,644,338.48/1,787,659.12 - Step 6: Final answer
x = 1,341,272.85
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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.