Finding the Fourth Proportional to 3,044,977.68, 4,202,135.10 and 1,668,421.56
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Solution
The fourth proportional to 3,044,977.68, 4,202,135.10 and 1,668,421.56 is: 2,302,457.86
Step by Step Solution
- Step 1: Write the proportion equation
3,044,977.68 : 4,202,135.10 = 1,668,421.56 : x - Step 2: Convert to fraction form
3,044,977.68/4,202,135.10 = 1,668,421.56/x - Step 3: Cross multiply
3,044,977.68x = 4,202,135.10 × 1,668,421.56 - Step 4: Simplify right side
3,044,977.68x = 7,010,932,798,872.76 - Step 5: Solve for x
x = 7,010,932,798,872.76/3,044,977.68 - Step 6: Final answer
x = 2,302,457.86
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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.