Finding the Fourth Proportional to 3,170,380.50, 4,375,125.09 and 1,812,282.66
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Solution
The fourth proportional to 3,170,380.50, 4,375,125.09 and 1,812,282.66 is: 2,500,950.07
Step by Step Solution
- Step 1: Write the proportion equation
3,170,380.50 : 4,375,125.09 = 1,812,282.66 : x - Step 2: Convert to fraction form
3,170,380.50/4,375,125.09 = 1,812,282.66/x - Step 3: Cross multiply
3,170,380.50x = 4,375,125.09 × 1,812,282.66 - Step 4: Simplify right side
3,170,380.50x = 7,928,963,335,937.94 - Step 5: Solve for x
x = 7,928,963,335,937.94/3,170,380.50 - Step 6: Final answer
x = 2,500,950.07
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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.