Finding the Fourth Proportional to 2,811,429.48, 4,217,106.42 and 681,531.96
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Solution
The fourth proportional to 2,811,429.48, 4,217,106.42 and 681,531.96 is: 1,022,288.78
Step by Step Solution
- Step 1: Write the proportion equation
2,811,429.48 : 4,217,106.42 = 681,531.96 : x - Step 2: Convert to fraction form
2,811,429.48/4,217,106.42 = 681,531.96/x - Step 3: Cross multiply
2,811,429.48x = 4,217,106.42 × 681,531.96 - Step 4: Simplify right side
2,811,429.48x = 2,874,092,803,951.18 - Step 5: Solve for x
x = 2,874,092,803,951.18/2,811,429.48 - Step 6: Final answer
x = 1,022,288.78
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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.