Finding the Fourth Proportional to 5,579,810.88, 8,361,921.12 and 3,015,497.52
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Solution
The fourth proportional to 5,579,810.88, 8,361,921.12 and 3,015,497.52 is: 4,519,033.52
Step by Step Solution
- Step 1: Write the proportion equation
5,579,810.88 : 8,361,921.12 = 3,015,497.52 : x - Step 2: Convert to fraction form
5,579,810.88/8,361,921.12 = 3,015,497.52/x - Step 3: Cross multiply
5,579,810.88x = 8,361,921.12 × 3,015,497.52 - Step 4: Simplify right side
5,579,810.88x = 25,215,352,399,795.62 - Step 5: Solve for x
x = 25,215,352,399,795.62/5,579,810.88 - Step 6: Final answer
x = 4,519,033.52
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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.