Finding the Fourth Proportional to 3,208,878.99, 4,428,302.00 and 1,758,562.65
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Solution
The fourth proportional to 3,208,878.99, 4,428,302.00 and 1,758,562.65 is: 2,426,843.30
Step by Step Solution
- Step 1: Write the proportion equation
3,208,878.99 : 4,428,302.00 = 1,758,562.65 : x - Step 2: Convert to fraction form
3,208,878.99/4,428,302.00 = 1,758,562.65/x - Step 3: Cross multiply
3,208,878.99x = 4,428,302.00 × 1,758,562.65 - Step 4: Simplify right side
3,208,878.99x = 7,787,446,491,327.49 - Step 5: Solve for x
x = 7,787,446,491,327.49/3,208,878.99 - Step 6: Final answer
x = 2,426,843.30
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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.