Finding the Fourth Proportional to 3,087,380.93, 4,630,185.65 and 2,146,730.36
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Solution
The fourth proportional to 3,087,380.93, 4,630,185.65 and 2,146,730.36 is: 3,219,479.65
Step by Step Solution
- Step 1: Write the proportion equation
3,087,380.93 : 4,630,185.65 = 2,146,730.36 : x - Step 2: Convert to fraction form
3,087,380.93/4,630,185.65 = 2,146,730.36/x - Step 3: Cross multiply
3,087,380.93x = 4,630,185.65 × 2,146,730.36 - Step 4: Simplify right side
3,087,380.93x = 9,939,760,073,406.75 - Step 5: Solve for x
x = 9,939,760,073,406.75/3,087,380.93 - Step 6: Final answer
x = 3,219,479.65
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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.