Finding the Fourth Proportional to 3,388,917.99, 4,676,566.88 and 1,840,119.02
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Solution
The fourth proportional to 3,388,917.99, 4,676,566.88 and 1,840,119.02 is: 2,539,288.25
Step by Step Solution
- Step 1: Write the proportion equation
3,388,917.99 : 4,676,566.88 = 1,840,119.02 : x - Step 2: Convert to fraction form
3,388,917.99/4,676,566.88 = 1,840,119.02/x - Step 3: Cross multiply
3,388,917.99x = 4,676,566.88 × 1,840,119.02 - Step 4: Simplify right side
3,388,917.99x = 8,605,439,631,606.63 - Step 5: Solve for x
x = 8,605,439,631,606.63/3,388,917.99 - Step 6: Final answer
x = 2,539,288.25
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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.