Finding the Fourth Proportional to 1,395,691.60, 2,093,537.40 and 917,394.70
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Solution
The fourth proportional to 1,395,691.60, 2,093,537.40 and 917,394.70 is: 1,376,092.05
Step by Step Solution
- Step 1: Write the proportion equation
1,395,691.60 : 2,093,537.40 = 917,394.70 : x - Step 2: Convert to fraction form
1,395,691.60/2,093,537.40 = 917,394.70/x - Step 3: Cross multiply
1,395,691.60x = 2,093,537.40 × 917,394.70 - Step 4: Simplify right side
1,395,691.60x = 1,920,600,115,011.78 - Step 5: Solve for x
x = 1,920,600,115,011.78/1,395,691.60 - Step 6: Final answer
x = 1,376,092.05
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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.