Finding the Fourth Proportional to 5,625,872.18, 8,438,808.30 and 1,366,011.74
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Solution
The fourth proportional to 5,625,872.18, 8,438,808.30 and 1,366,011.74 is: 2,049,017.62
Step by Step Solution
- Step 1: Write the proportion equation
5,625,872.18 : 8,438,808.30 = 1,366,011.74 : x - Step 2: Convert to fraction form
5,625,872.18/8,438,808.30 = 1,366,011.74/x - Step 3: Cross multiply
5,625,872.18x = 8,438,808.30 × 1,366,011.74 - Step 4: Simplify right side
5,625,872.18x = 11,527,511,209,409.44 - Step 5: Solve for x
x = 11,527,511,209,409.44/5,625,872.18 - Step 6: Final answer
x = 2,049,017.62
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1.5x scale
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.