Finding the Fourth Proportional to 3,971,431.92, 5,956,385.98 and 1,542,582.48
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Solution
The fourth proportional to 3,971,431.92, 5,956,385.98 and 1,542,582.48 is: 2,313,577.78
Step by Step Solution
- Step 1: Write the proportion equation
3,971,431.92 : 5,956,385.98 = 1,542,582.48 : x - Step 2: Convert to fraction form
3,971,431.92/5,956,385.98 = 1,542,582.48/x - Step 3: Cross multiply
3,971,431.92x = 5,956,385.98 × 1,542,582.48 - Step 4: Simplify right side
3,971,431.92x = 9,188,216,656,865.63 - Step 5: Solve for x
x = 9,188,216,656,865.63/3,971,431.92 - Step 6: Final answer
x = 2,313,577.78
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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.