Finding the Fourth Proportional to 4,242,505.21, 6,364,355.49 and 1,362,906.41
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Solution
The fourth proportional to 4,242,505.21, 6,364,355.49 and 1,362,906.41 is: 2,044,551.61
Step by Step Solution
- Step 1: Write the proportion equation
4,242,505.21 : 6,364,355.49 = 1,362,906.41 : x - Step 2: Convert to fraction form
4,242,505.21/6,364,355.49 = 1,362,906.41/x - Step 3: Cross multiply
4,242,505.21x = 6,364,355.49 × 1,362,906.41 - Step 4: Simplify right side
4,242,505.21x = 8,674,020,861,017.91 - Step 5: Solve for x
x = 8,674,020,861,017.91/4,242,505.21 - Step 6: Final answer
x = 2,044,551.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.