Finding the Fourth Proportional to 5,554,195.12, 7,665,366.18 and 3,199,474.27
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Solution
The fourth proportional to 5,554,195.12, 7,665,366.18 and 3,199,474.27 is: 4,415,606.82
Step by Step Solution
- Step 1: Write the proportion equation
5,554,195.12 : 7,665,366.18 = 3,199,474.27 : x - Step 2: Convert to fraction form
5,554,195.12/7,665,366.18 = 3,199,474.27/x - Step 3: Cross multiply
5,554,195.12x = 7,665,366.18 × 3,199,474.27 - Step 4: Simplify right side
5,554,195.12x = 24,525,141,863,038.19 - Step 5: Solve for x
x = 24,525,141,863,038.19/5,554,195.12 - Step 6: Final answer
x = 4,415,606.82
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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.