Finding the Fourth Proportional to 5,424,107.16, 7,484,772.99 and 3,218,589.90
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Solution
The fourth proportional to 5,424,107.16, 7,484,772.99 and 3,218,589.90 is: 4,441,360.40
Step by Step Solution
- Step 1: Write the proportion equation
5,424,107.16 : 7,484,772.99 = 3,218,589.90 : x - Step 2: Convert to fraction form
5,424,107.16/7,484,772.99 = 3,218,589.90/x - Step 3: Cross multiply
5,424,107.16x = 7,484,772.99 × 3,218,589.90 - Step 4: Simplify right side
5,424,107.16x = 24,090,414,749,406.80 - Step 5: Solve for x
x = 24,090,414,749,406.80/5,424,107.16 - Step 6: Final answer
x = 4,441,360.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.