Finding the Fourth Proportional to 1,395,648.60, 2,093,472.90 and 917,351.70
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Solution
The fourth proportional to 1,395,648.60, 2,093,472.90 and 917,351.70 is: 1,376,027.55
Step by Step Solution
- Step 1: Write the proportion equation
1,395,648.60 : 2,093,472.90 = 917,351.70 : x - Step 2: Convert to fraction form
1,395,648.60/2,093,472.90 = 917,351.70/x - Step 3: Cross multiply
1,395,648.60x = 2,093,472.90 × 917,351.70 - Step 4: Simplify right side
1,395,648.60x = 1,920,450,923,718.93 - Step 5: Solve for x
x = 1,920,450,923,718.93/1,395,648.60 - Step 6: Final answer
x = 1,376,027.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.