Finding the Fourth Proportional to 1,687,514.20, 2,328,652.74 and 962,392.60
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Solution
The fourth proportional to 1,687,514.20, 2,328,652.74 and 962,392.60 is: 1,328,035.14
Step by Step Solution
- Step 1: Write the proportion equation
1,687,514.20 : 2,328,652.74 = 962,392.60 : x - Step 2: Convert to fraction form
1,687,514.20/2,328,652.74 = 962,392.60/x - Step 3: Cross multiply
1,687,514.20x = 2,328,652.74 × 962,392.60 - Step 4: Simplify right side
1,687,514.20x = 2,241,078,164,945.72 - Step 5: Solve for x
x = 2,241,078,164,945.72/1,687,514.20 - Step 6: Final answer
x = 1,328,035.14
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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.