Finding the Fourth Proportional to 2,694,808.20, 4,042,212.30 and 2,429,087.70
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Solution
The fourth proportional to 2,694,808.20, 4,042,212.30 and 2,429,087.70 is: 3,643,631.55
Step by Step Solution
- Step 1: Write the proportion equation
2,694,808.20 : 4,042,212.30 = 2,429,087.70 : x - Step 2: Convert to fraction form
2,694,808.20/4,042,212.30 = 2,429,087.70/x - Step 3: Cross multiply
2,694,808.20x = 4,042,212.30 × 2,429,087.70 - Step 4: Simplify right side
2,694,808.20x = 9,818,888,178,718.71 - Step 5: Solve for x
x = 9,818,888,178,718.71/2,694,808.20 - Step 6: Final answer
x = 3,643,631.55
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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.