Finding the Fourth Proportional to 2,251,651.80, 3,377,477.70 and 1,129,315.80
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Solution
The fourth proportional to 2,251,651.80, 3,377,477.70 and 1,129,315.80 is: 1,693,973.70
Step by Step Solution
- Step 1: Write the proportion equation
2,251,651.80 : 3,377,477.70 = 1,129,315.80 : x - Step 2: Convert to fraction form
2,251,651.80/3,377,477.70 = 1,129,315.80/x - Step 3: Cross multiply
2,251,651.80x = 3,377,477.70 × 1,129,315.80 - Step 4: Simplify right side
2,251,651.80x = 3,814,238,930,757.66 - Step 5: Solve for x
x = 3,814,238,930,757.66/2,251,651.80 - Step 6: Final answer
x = 1,693,973.70
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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.