Finding the Fourth Proportional to 2,128,890.45, 3,193,845.98 and 708,958.83
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Solution
The fourth proportional to 2,128,890.45, 3,193,845.98 and 708,958.83 is: 1,063,608.18
Step by Step Solution
- Step 1: Write the proportion equation
2,128,890.45 : 3,193,845.98 = 708,958.83 : x - Step 2: Convert to fraction form
2,128,890.45/3,193,845.98 = 708,958.83/x - Step 3: Cross multiply
2,128,890.45x = 3,193,845.98 × 708,958.83 - Step 4: Simplify right side
2,128,890.45x = 2,264,305,305,636.21 - Step 5: Solve for x
x = 2,264,305,305,636.21/2,128,890.45 - Step 6: Final answer
x = 1,063,608.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.