Finding the Fourth Proportional to 3,602,846.70, 4,971,990.71 and 1,971,396.65
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Solution
The fourth proportional to 3,602,846.70, 4,971,990.71 and 1,971,396.65 is: 2,720,561.45
Step by Step Solution
- Step 1: Write the proportion equation
3,602,846.70 : 4,971,990.71 = 1,971,396.65 : x - Step 2: Convert to fraction form
3,602,846.70/4,971,990.71 = 1,971,396.65/x - Step 3: Cross multiply
3,602,846.70x = 4,971,990.71 × 1,971,396.65 - Step 4: Simplify right side
3,602,846.70x = 9,801,765,846,883.59 - Step 5: Solve for x
x = 9,801,765,846,883.59/3,602,846.70 - Step 6: Final answer
x = 2,720,561.45
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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.