Finding the Fourth Proportional to 2,251,136.34, 3,106,544.58 and 1,218,620.84
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Solution
The fourth proportional to 2,251,136.34, 3,106,544.58 and 1,218,620.84 is: 1,681,683.99
Step by Step Solution
- Step 1: Write the proportion equation
2,251,136.34 : 3,106,544.58 = 1,218,620.84 : x - Step 2: Convert to fraction form
2,251,136.34/3,106,544.58 = 1,218,620.84/x - Step 3: Cross multiply
2,251,136.34x = 3,106,544.58 × 1,218,620.84 - Step 4: Simplify right side
2,251,136.34x = 3,785,699,950,044.32 - Step 5: Solve for x
x = 3,785,699,950,044.32/2,251,136.34 - Step 6: Final answer
x = 1,681,683.99
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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.