Finding the Fourth Proportional to 2,195,497.40, 3,286,794.90 and 1,637,007.80
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Solution
The fourth proportional to 2,195,497.40, 3,286,794.90 and 1,637,007.80 is: 2,450,701.55
Step by Step Solution
- Step 1: Write the proportion equation
2,195,497.40 : 3,286,794.90 = 1,637,007.80 : x - Step 2: Convert to fraction form
2,195,497.40/3,286,794.90 = 1,637,007.80/x - Step 3: Cross multiply
2,195,497.40x = 3,286,794.90 × 1,637,007.80 - Step 4: Simplify right side
2,195,497.40x = 5,380,508,888,300.22 - Step 5: Solve for x
x = 5,380,508,888,300.22/2,195,497.40 - Step 6: Final answer
x = 2,450,701.55
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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.