Finding the Fourth Proportional to 5,784,892.40, 7,983,724.02 and 3,207,071.45
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Solution
The fourth proportional to 5,784,892.40, 7,983,724.02 and 3,207,071.45 is: 4,426,075.99
Step by Step Solution
- Step 1: Write the proportion equation
5,784,892.40 : 7,983,724.02 = 3,207,071.45 : x - Step 2: Convert to fraction form
5,784,892.40/7,983,724.02 = 3,207,071.45/x - Step 3: Cross multiply
5,784,892.40x = 7,983,724.02 × 3,207,071.45 - Step 4: Simplify right side
5,784,892.40x = 25,604,373,369,221.23 - Step 5: Solve for x
x = 25,604,373,369,221.23/5,784,892.40 - Step 6: Final answer
x = 4,426,075.99
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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.