Finding the Fourth Proportional to 2,021,122.80, 3,031,684.20 and 1,874,976.53
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Solution
The fourth proportional to 2,021,122.80, 3,031,684.20 and 1,874,976.53 is: 2,812,464.79
Step by Step Solution
- Step 1: Write the proportion equation
2,021,122.80 : 3,031,684.20 = 1,874,976.53 : x - Step 2: Convert to fraction form
2,021,122.80/3,031,684.20 = 1,874,976.53/x - Step 3: Cross multiply
2,021,122.80x = 3,031,684.20 × 1,874,976.53 - Step 4: Simplify right side
2,021,122.80x = 5,684,336,706,213.41 - Step 5: Solve for x
x = 5,684,336,706,213.41/2,021,122.80 - Step 6: Final answer
x = 2,812,464.79
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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.