Finding the Fourth Proportional to 5,471,958.84, 8,208,820.28 and 1,685,439.96
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Solution
The fourth proportional to 5,471,958.84, 8,208,820.28 and 1,685,439.96 is: 2,528,431.61
Step by Step Solution
- Step 1: Write the proportion equation
5,471,958.84 : 8,208,820.28 = 1,685,439.96 : x - Step 2: Convert to fraction form
5,471,958.84/8,208,820.28 = 1,685,439.96/x - Step 3: Cross multiply
5,471,958.84x = 8,208,820.28 × 1,685,439.96 - Step 4: Simplify right side
5,471,958.84x = 13,835,473,724,370.39 - Step 5: Solve for x
x = 13,835,473,724,370.39/5,471,958.84 - Step 6: Final answer
x = 2,528,431.61
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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.