Finding the Fourth Proportional to 4,211,856.14, 6,318,571.52 and 1,687,708.22
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Solution
The fourth proportional to 4,211,856.14, 6,318,571.52 and 1,687,708.22 is: 2,531,877.80
Step by Step Solution
- Step 1: Write the proportion equation
4,211,856.14 : 6,318,571.52 = 1,687,708.22 : x - Step 2: Convert to fraction form
4,211,856.14/6,318,571.52 = 1,687,708.22/x - Step 3: Cross multiply
4,211,856.14x = 6,318,571.52 × 1,687,708.22 - Step 4: Simplify right side
4,211,856.14x = 10,663,905,065,588.31 - Step 5: Solve for x
x = 10,663,905,065,588.31/4,211,856.14 - Step 6: Final answer
x = 2,531,877.80
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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.