Finding the Fourth Proportional to 4,198,648.71, 6,292,647.41 and 1,890,679.34
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Solution
The fourth proportional to 4,198,648.71, 6,292,647.41 and 1,890,679.34 is: 2,833,620.83
Step by Step Solution
- Step 1: Write the proportion equation
4,198,648.71 : 6,292,647.41 = 1,890,679.34 : x - Step 2: Convert to fraction form
4,198,648.71/6,292,647.41 = 1,890,679.34/x - Step 3: Cross multiply
4,198,648.71x = 6,292,647.41 × 1,890,679.34 - Step 4: Simplify right side
4,198,648.71x = 11,897,378,451,991.51 - Step 5: Solve for x
x = 11,897,378,451,991.51/4,198,648.71 - Step 6: Final answer
x = 2,833,620.83
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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.